WPC is the specialist construction partner that always delivers. Our scale, expertise and track record of achieving high standards has made us trusted experts to many commercial, residential and civil sector clients.

Our capabilities:
We deliver quality specialist solutions for construction projects big or small. Whether you need our services in isolation or together for project efficiency, we have the expertise and experience to get it right, the first time.

","AssociatedPages",{"_796":831,"_699":832},"BannerImages",[807],"Banners",{"_796":797,"_699":798},"breadcrumbs",[785,786],"DirectoryLocationCrumb",{"_175":155,"_592":713,"_788":793,"_699":790},{"_175":160,"_592":787,"_788":789,"_699":790},"/professionals/building-renovation/building-construction/roofing-contractors","Parents",[791,792],"Category",{"_592":716,"_175":717,"_699":790},{"_592":714,"_175":715,"_699":790},[794,795],{"_592":716,"_175":717,"_699":790},{"_592":714,"_175":715,"_699":790},"edges",[799],"LibraryItemBannersConnection",{"_800":801,"_699":802},"node",{"_593":687,"_803":44,"_804":-5,"_805":38,"_700":690,"_699":806},"LibraryItemBannersConnectionEdge","MemberSortOrder","BannerSegment","WasUpscaled","LibraryImage",{"_593":687,"_804":-5,"_803":44,"_805":38,"_700":808,"_699":806},{"_693":809,"_695":810,"_811":812,"_699":700,"_593":813,"_814":815,"_816":817,"_818":819,"_820":821},{"_701":707,"_703":708,"_699":705,"_593":826,"_827":828,"_829":830},{"_701":706,"_703":706,"_699":705,"_593":825},"DetailBannerEditMode",{"_593":822,"_701":823,"_703":824,"_699":705},826659,"Name","201105NCOD070-compressed.jpg","ImageFilter","DesaturateBanner","ImageWidth",2560,"ImageHeight",1220,"DetailBannerEditMode826659","/images/s1/professional/waterproofing-specialists/201105NCOD070-compressed.jpg/eyJlZGl0cyI6W3sidHlwZSI6InJlc2l6ZSIsIm9wdGlvbnMiOnsid2lkdGgiOjU3MSwiaGVpZ2h0IjozMjEsImZpdCI6ImNvdmVyIn19XSwicXVhbGl0eSI6ODV9","/images/s1/professional/waterproofing-specialists/201105NCOD070-compressed.jpg/eyJlZGl0cyI6W3sidHlwZSI6InJlc2l6ZSIsIm9wdGlvbnMiOnsid2lkdGgiOjE5MjAsImhlaWdodCI6MTA4MCwiZml0IjoiaW5zaWRlIn19LHsidHlwZSI6ImZsYXR0ZW4iLCJvcHRpb25zIjp7ImJhY2tncm91bmQiOiIjZmZmZmZmIn19XSwicXVhbGl0eSI6ODUsInRvRm9ybWF0IjoianBnIn0=","DetailPageSegmentBanner826659","DetailBannerStandard826659","MobilePreload","/images/s1/professional/waterproofing-specialists/201105NCOD070-compressed.jpg/eyJlZGl0cyI6W3sidHlwZSI6InpwY2YiLCJvcHRpb25zIjp7ImJveFdpZHRoIjoxNTAwLCJib3hIZWlnaHQiOjEyNjgsImNvdmVyIjp0cnVlLCJ6b29tV2lkdGgiOjI2NjEsInNjcm9sbFBvc1giOjQ0LCJzY3JvbGxQb3NZIjoyMCwiYmFja2dyb3VuZCI6InJnYigxOTksMjEzLDIxMykiLCJmaWx0ZXIiOjZ9fSx7InR5cGUiOiJyZXNpemVCeVJhdGlvIiwib3B0aW9ucyI6eyJyYXRpbyI6MC41fX1dLCJxdWFsaXR5Ijo4NX0=","DesktopPreload","/images/s1/professional/waterproofing-specialists/201105NCOD070-compressed.jpg/eyJlZGl0cyI6W3sidHlwZSI6InpwY2YiLCJvcHRpb25zIjp7ImJveFdpZHRoIjoxOTIwLCJib3hIZWlnaHQiOjEyODAsImNvdmVyIjp0cnVlLCJ6b29tV2lkdGgiOjI2ODYsInNjcm9sbFBvc1giOjQ0LCJzY3JvbGxQb3NZIjoyMCwiYmFja2dyb3VuZCI6InJnYigxOTksMjEzLDIxMykiLCJmaWx0ZXIiOjZ9fSx7InR5cGUiOiJyZXNpemVCeVJhdGlvIiwib3B0aW9ucyI6eyJyYXRpbyI6MC41fX1dLCJxdWFsaXR5Ijo4NX0=",[],"Professional_AssociatedPagesConnection",[],"ProfessionalAwardsConnection",{"_593":842,"_838":155,"_592":713,"_175":155,"_788":843,"_699":790},{"_593":837,"_838":160,"_592":787,"_175":160,"_788":839,"_699":790},47344,"PrettyTitle",[840,841],{"_175":717,"_592":716,"_699":790},{"_175":715,"_592":714,"_699":790},47353,[844,845],{"_175":717,"_592":716,"_699":790},{"_175":715,"_592":714,"_699":790},[],"OrganizationNetworkConnection",{"_593":849,"_175":55,"_850":851,"_735":736,"_852":853,"_854":855,"_856":-5,"_857":-5,"_858":859,"_860":861,"_747":-5,"_862":-5,"_803":44,"_863":864,"_865":38,"_866":38,"_699":867},4380,"Type","Branch Location","Address1","51 Carlyle Street, Sydenham","Address2","Christchurch","Suburb","City","Region","Canterbury","State","South Island","PostCode","MapCoordinates",{"_868":869,"_870":871,"_699":872},"AllowsPickup","LocationHidden","LibraryLocation","Latitude",-43.5411461,"Longitude",172.6438287,"Coordinate","47353","CategoryPage","user",{"_593":44,"_1240":1241,"_1242":1243,"_1244":878,"_699":1245},"featureFlags",[1050,1051,1052,1053,1054,1055,1056,1057,1058,1059,1060,1061,1062,1063,1064,1065,1066,1067,1068,1069,1070,1071,1072,1073,1074,1075,1076,1077,1078,1079,1080,1081,1082,1083,1084,1085,1086,1087,1088,1089,1090,1091,1092,1093,1094,1095,1096,1097,1098,1099,1100,1101,1102,1103,1104,1105,1106,1107,1108,1109,1110,1111,1112,1113,1114,1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126,1127,1128,1129,1130,1131,1132,1133,1134,1135,1136,1137,1138,1139,1140,1141,1142,1143],"notifications",{"_1039":1040,"_1041":1042,"_1043":1044,"_1045":1046,"_1047":1048},"shoppingCartSummary","webSocketUrl","wss://ws.archiproamerica.com","ecommerceActiveEnabled","bookConsultationEnabled","canApproveContent","canCreateProfessional","toastMessage","abTestConfig",{"_965":966,"_967":968},"showReseneSponsor","availableForWorkEnabled","professionalBookingLink","moodBoardPageIds",{"_961":962,"_963":964},"bottomContent",{"_927":928,"_929":930},"filterDrawerCookieValue","monthlyUsers",{"_922":923,"_924":925,"_926":38},"footerRedesignEnabled","recentMagazines",[],"footerVideoContent",{"_907":38,"_908":909,"_910":911},"topBannerAd","enabled","magazineVideo",{"_912":919,"_914":920,"_916":921,"_918":166},"globeVideo",{"_912":913,"_914":915,"_916":917,"_918":166},"coverImage","/images/s1/footer-videos/globe-fallback-bg-COVER.png/eyJlZGl0cyI6W3sidHlwZSI6InJlc2l6ZSIsIm9wdGlvbnMiOnsid2lkdGgiOjE5MjAsImhlaWdodCI6ODAwLCJmaXQiOiJmaWxsIn19XX0=","videoMp4","https://archiproamerica.com/assets/footer-videos/globe_footer.mp4","videoWebM","https://archiproamerica.com/assets/footer-videos/globe_footer.webm","autoplay","/images/s1/footer-videos/magazine-fallback-bgCOVER.png/eyJlZGl0cyI6W3sidHlwZSI6InJlc2l6ZSIsIm9wdGlvbnMiOnsid2lkdGgiOjE5MjAsImhlaWdodCI6MTA4MCwiZml0IjoiZmlsbCJ9fV19","https://archiproamerica.com/assets/footer-videos/Monochrome-b-roll.mp4","https://archiproamerica.com/assets/footer-videos/Monochrome-b-roll-1.webm","uniqueUsers",397087,"lastUpdated","2026-07-22 00:00:00","isCompletedMonth","bottomLink",[950,951],"whyArchiPro",[931,932,933,934],{"_31":948,"_936":949,"_938":939,"_940":941},{"_31":945,"_936":946,"_938":947,"_940":941},{"_31":942,"_936":943,"_938":944,"_940":941},{"_31":935,"_936":937,"_938":939,"_940":941},"From inspiration to reality","description","Find your style and connect with the experts behind it.","buttonText","View all","icon","LOGO","Designed for America","Projects and professionals that meet local standards.","Read more","Real projects, real experts","Work with vetted architects, designers, and builders.","Read reviews","No more endless searching","Everything you need, all in one place.",{"_31":957,"_936":958,"_954":959,"_551":960},{"_31":952,"_936":953,"_954":955,"_551":956},"Become a Pro","Showcase your business on ArchiPro and join leading architects, designers, and builders.","variant","gray","https://business.archiproamerica.com/get-a-demo","Start your Project","Start your project with a free account to unlock features designed to help you simplify your building project.","brick","/login","pageIDs",[],"imageIDs",[],"attributes",{"_29":44,"_1030":1031,"_535":667,"_1032":20,"_1033":1034,"_996":44,"_1035":44,"_1036":166,"_1037":166,"_1038":150},"features",{"_969":970,"_971":972,"_973":974,"_975":976,"_977":978,"_979":980,"_981":982,"_983":984},"default-filter-open",{"_985":38,"_986":1020},"guest-homepage",{"_985":38,"_986":1015},"directory-tile-slider",{"_985":38},"directory-tile-downloads",{"_985":38,"_986":1013},"directory-potms",{"_985":38,"_986":992},"tile-media-slider",{"_985":38},"enquiry-attachment",{"_985":166,"_986":990},"analytics-amplifier-tiles",{"_985":166,"_986":987},"defaultValue","rules",[988],{"_989":166},"force",[991],{"_989":166},[993],{"_994":539,"_995":996,"_997":998,"_999":107,"_1000":1001,"_1002":1003,"_1004":977,"_1005":1006,"_1007":1008},"coverage","hashAttribute","userId","seed","760f79a5-e5d1-4709-943b-d132f6f36c35","hashVersion","variations",[38,166],"weights",[44,539],"key","meta",[1009,1010],"phase","2",{"_1004":1012},{"_1004":1011},"1","0",[1014],{"_989":166},[1016],{"_1017":1018,"_989":166},"condition",{"_996":1019},31973930,[1021],{"_1000":1022,"_994":539,"_1002":1023,"_1005":1024,"_995":996},[38,166],[1029,1029],[1025,1026],{"_1004":1012,"_54":1028},{"_1004":1011,"_54":1027},"Filters Open","Filters Closed",0.5,"host","archiproamerica.com","device","stage","Production","guestId","isBot","isGuest","utmSource","designBoard",{"_1049":44},"website",{"_1049":44},"personalInbox",{"_1049":44},"companyInboxes",[],"cart",{"_1049":44},"count",{"_814":1239,"_1145":38,"_699":1146},{"_814":1238,"_1145":166,"_699":1146},{"_814":1237,"_1145":38,"_699":1146},{"_814":1236,"_1145":166,"_699":1146},{"_814":1235,"_1145":38,"_699":1146},{"_814":1234,"_1145":38,"_699":1146},{"_814":1233,"_1145":38,"_699":1146},{"_814":1232,"_1145":38,"_699":1146},{"_814":1231,"_1145":38,"_699":1146},{"_814":1230,"_1145":166,"_699":1146},{"_814":1229,"_1145":38,"_699":1146},{"_814":1228,"_1145":38,"_699":1146},{"_814":1227,"_1145":38,"_699":1146},{"_814":1226,"_1145":38,"_699":1146},{"_814":1225,"_1145":38,"_699":1146},{"_814":1224,"_1145":38,"_699":1146},{"_814":1223,"_1145":38,"_699":1146},{"_814":1222,"_1145":38,"_699":1146},{"_814":1221,"_1145":38,"_699":1146},{"_814":1220,"_1145":166,"_699":1146},{"_814":1219,"_1145":38,"_699":1146},{"_814":1218,"_1145":38,"_699":1146},{"_814":1217,"_1145":38,"_699":1146},{"_814":1216,"_1145":166,"_699":1146},{"_814":1215,"_1145":38,"_699":1146},{"_814":1214,"_1145":38,"_699":1146},{"_814":1213,"_1145":38,"_699":1146},{"_814":1212,"_1145":166,"_699":1146},{"_814":1211,"_1145":166,"_699":1146},{"_814":1210,"_1145":38,"_699":1146},{"_814":1209,"_1145":166,"_699":1146},{"_814":1208,"_1145":166,"_699":1146},{"_814":1207,"_1145":166,"_699":1146},{"_814":1206,"_1145":166,"_699":1146},{"_814":1205,"_1145":166,"_699":1146},{"_814":1204,"_1145":38,"_699":1146},{"_814":1203,"_1145":38,"_699":1146},{"_814":1202,"_1145":38,"_699":1146},{"_814":1201,"_1145":166,"_699":1146},{"_814":1200,"_1145":38,"_699":1146},{"_814":1199,"_1145":38,"_699":1146},{"_814":1198,"_1145":166,"_699":1146},{"_814":1197,"_1145":38,"_699":1146},{"_814":1196,"_1145":38,"_699":1146},{"_814":1195,"_1145":38,"_699":1146},{"_814":1194,"_1145":166,"_699":1146},{"_814":1193,"_1145":38,"_699":1146},{"_814":1192,"_1145":38,"_699":1146},{"_814":1191,"_1145":38,"_699":1146},{"_814":1190,"_1145":166,"_699":1146},{"_814":1189,"_1145":38,"_699":1146},{"_814":1188,"_1145":38,"_699":1146},{"_814":1187,"_1145":166,"_699":1146},{"_814":1186,"_1145":38,"_699":1146},{"_814":1185,"_1145":166,"_699":1146},{"_814":1184,"_1145":166,"_699":1146},{"_814":1183,"_1145":38,"_699":1146},{"_814":1182,"_1145":38,"_699":1146},{"_814":1181,"_1145":166,"_699":1146},{"_814":1180,"_1145":38,"_699":1146},{"_814":1179,"_1145":38,"_699":1146},{"_814":1178,"_1145":38,"_699":1146},{"_814":1177,"_1145":166,"_699":1146},{"_814":1176,"_1145":38,"_699":1146},{"_814":1175,"_1145":38,"_699":1146},{"_814":1174,"_1145":166,"_699":1146},{"_814":1173,"_1145":166,"_699":1146},{"_814":1172,"_1145":38,"_699":1146},{"_814":1171,"_1145":38,"_699":1146},{"_814":1170,"_1145":166,"_699":1146},{"_814":1169,"_1145":38,"_699":1146},{"_814":1168,"_1145":38,"_699":1146},{"_814":1167,"_1145":166,"_699":1146},{"_814":1166,"_1145":38,"_699":1146},{"_814":1165,"_1145":166,"_699":1146},{"_814":1164,"_1145":166,"_699":1146},{"_814":1163,"_1145":166,"_699":1146},{"_814":1162,"_1145":38,"_699":1146},{"_814":1161,"_1145":38,"_699":1146},{"_814":1160,"_1145":38,"_699":1146},{"_814":1159,"_1145":38,"_699":1146},{"_814":1158,"_1145":166,"_699":1146},{"_814":1157,"_1145":38,"_699":1146},{"_814":1156,"_1145":38,"_699":1146},{"_814":1155,"_1145":166,"_699":1146},{"_814":1154,"_1145":38,"_699":1146},{"_814":1153,"_1145":38,"_699":1146},{"_814":1152,"_1145":38,"_699":1146},{"_814":1151,"_1145":166,"_699":1146},{"_814":1150,"_1145":38,"_699":1146},{"_814":1149,"_1145":38,"_699":1146},{"_814":1148,"_1145":166,"_699":1146},{"_814":1147,"_1145":38,"_699":1146},{"_814":1144,"_1145":38,"_699":1146},"article_detail_revamp_2026","Enabled","FeatureFlag","get_matched_homepage","book_meeting_open_access","bm_load_project","category_pages_revamp_2026","bm_kits_assets","top_ad_banner","enable_client_book_a_meeting","xero_integration","email_code_login","details_revamp_2026","BA_Audience_Explorer","lexical_business_terms","stacked_product_nav_2026","professional_detail_revamp_2026","project_detail_revamp_2026","product_detail_revamp_2026","project_tile_banner_selector","invoice_reminders","unified_header_jun_2026","us_product_launch","lead_permission_control","BA_Email_Report","BA_Editorial_Report","event_ticketing","page_builder_library_image_dnd","bm_project_quality_indicators","daily_conversion_email","footer_redesign_dec_2025","products_page_topnav_dec_2025","buildhub_enquiry_project_details","invoice_notifications","image_auto_upscale","image_label_search_directory","image_label_search_profile","bm_granular_permissions","bm_email_builder","outlook_calendar_connection","project_hero_title_upload","campaigns_overview_internal_release","disable_tile_slider_project","disable_tile_slider_product","ba_pixel_conversions_merge","new_chat_ui_2025","BA_feature_ba_digital_publications_report_revamp","BA_ONLY_FOR_QA","project_ai_description_generator","upload_generated_descriptions","bm_calendar_connection","bm_qbr","bm_bookings","bm_allow_crm_integration","bm_allow_invoicing","ai_product_data_enrichment","BA_Campaign_Flights","BA_Backlinks_ONLY_FOR_AP","BA_Backlinks_FOR_ALL","bm_membership_addons","pixel_conversion_revamp","buildhub","ba_pixel_report_revamp","ba_company_activity_report","ba_conversion_report_revamp","ap_inbox_integration_outlook","ap_inbox_integration_gmail","ba_audience_report_revamp","ba_overview_report_revamp","ba_main_reports","project_template","openai_gpt4o_enabled","client_self_serve_tag_approval","search_2024","show_where_to_buy_products","ai_image_assistant","better_builder_ux","search_service_qa","external_email_sending","ai_comments","award_badges","available_for_work","book_a_meeting","archipro_connect_category_banner","team_availability","article_templates","DisplayAdvertising","filter_facet","ecommerce_active","enable_tablet","archipro_connect","au_paint_picker","ecommerce_hubspot_sync","integration_qa","ecommerce_au","productImport","APID","unknown","EcommerceBookingURL","https://meetings.hubspot.com/tim750/archipro-ecommerce","FeatureFlags","Guest","env",{"_1030":1031,"_1033":1034,"_1382":1383},"config",{"_149":1289,"_1290":1291,"_1292":1293,"_1294":1295,"_1296":1297,"_1298":1299,"_1300":1301,"_1302":1303,"_1304":1305,"_1306":1307,"_1308":1309,"_1310":1311,"_1312":1313,"_1314":1315,"_1316":1317},{"_1271":1272,"_1273":1274,"_535":667,"_1275":1276},{"_1036":166,"_1257":1258,"_1259":1260,"_1261":20,"_1038":150},"requestId","a1f12a3849998305-CMH","appDisplayMode","globalPrivacyControl","growthbookContext","os",{"_54":1266,"_1267":38,"_1268":38,"_1269":38,"_1270":38},"browser",{"_54":1262,"_1263":38,"_1264":38,"_1265":38},"type","WebKit","isSafari","isFirefox","isInstagramOrFacebookApp","Unknown","isIOS","isApple","isAndroid","isWindows","timezone","America/New_York","locales",[],"countryConfig",{"_1277":1278,"_1279":166,"_1280":1281,"_1282":38,"_1283":38,"_1284":38,"_1285":38,"_1286":38,"_1287":1288},"consentMode","notice","honourGlobalPrivacyControl","phoneCountryCode","+1","allowProducts","allowMemberGuides","allowMemberOrders","allowMemberTickets","showHDENavLink","measurementSystem","imperial",{"_1378":1379,"_1380":1381},"pixels",{"_1351":1352,"_1353":1354,"_1355":1356,"_1357":1358,"_1359":1360,"_1361":1362,"_1363":1364,"_1365":-5,"_1366":1367,"_1368":1369,"_1370":1371,"_1372":1373,"_1374":1375,"_1376":1377},"google",{"_1349":1350},"pusher",{"_907":166,"_1004":1342,"_1343":1344,"_1345":1346,"_1347":1348},"deployNotification",{"_907":166,"_1340":1341},"stripeArchipro",{"_1322":1339},"integration",{"_1333":1334,"_1335":1336,"_1337":1338},"growthBook",{"_1331":1332},"giphy",{"_1329":1330},"personalisedFeed",{"_1325":1326,"_1327":1328},"websocket",{"_1324":883},"stripeEcommerce",{"_1322":1323},"assetsBaseUrl","https://assets.archiproamerica.com","imagesBaseUrl","https://images.archiproamerica.com","cookies",{"_1318":1319,"_1320":1321},"topDomain",".archiproamerica.com","cookieName","__apid","publishableKey","pk_live_XXXXXXXXXX","url","feedEndpoint","https://vwa4bthr4egcwhgjg46ogboj6m0gavtr.lambda-url.ap-southeast-2.on.aws/","answerEndpoint","https://a2ik47w23lhtx5yzujbzyxt2bm0ifprr.lambda-url.ap-southeast-2.on.aws/","apiKey","X1iYBlOeVabTqgUQucqSubQ5aH4CCg6N","appSecret","sdk-2PxyORBLfK87M1XG","baseUri","https://integration.archipro.co.nz","gqlEndpoint","/graphql","gqlApiKey","da2-legztsdgmbfrvpuvw4towrs5sm","pk_live_zz9eUis5EtBqFe0tuLKfArpi","channel","web_live","138cc902d51f4b633aa4","cluster","ap4","channelWeb","ARCHIPRO_WEB","eventDeployed","DEPLOYED","otsId","73617681825-2poaij8phnauldlkgp5hnh3djli63eg5.apps.googleusercontent.com","gtmId","GTM-P8S3KPK","gtmAuth",">m_auth=OidGQkMiPcxIXPKO6wLebg>m_preview=env-2>m_cookies_win=x","facebookPixelClientId","452277869076223","instagramAccessToken","8aa6f66411915dfc98ef40a92304ae2d","hubspotTrackingId","3466610","websiteGoogleMapKey","AIzaSyD2Du5t9Rx2QjQTwZ0oy9G-laH7lu2vOKc","websiteMapBoxKey","pk.eyJ1IjoiYXJjaGlwcm9ueiIsImEiOiJjbGw5eWUyMnQxYWhjM2RvMGI0NHE0b2VjIn0.EsIh8fiFblMg_FXObo62zQ","snitcherTrackingId","pinterestTagArchiproId","2613941669903","outbrainId","000adc57ad23fb6e5aac1a5001c02fcc3b","ga4TrackingId","G-YT10ZJCCN0","facebookPixelArchiproId","984637020973967","pinterestTagClientId","2612359246450","linkedinPartnerId","9521652","basePath","v4","domain","esearch.archiproamerica.com","version","v260722-452"]