{"version":"1.0","provider_name":"NEW ZEALAND BUILDERS ASSOCIATION","provider_url":"https:\/\/nzbuilders.org\/en","author_name":"New Zealand Builders Association","author_url":"https:\/\/nzbuilders.org\/en\/author\/ryan\/","title":"NZS 3631: 1988 New Zealand Timber Grading Rules - NEW ZEALAND BUILDERS ASSOCIATION","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"uLw53pdJuz\"><a href=\"https:\/\/nzbuilders.org\/en\/nzs-3631-1988-new-zealand-timber-grading-rules\/\">NZS 3631: 1988 New Zealand Timber Grading Rules<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/nzbuilders.org\/en\/nzs-3631-1988-new-zealand-timber-grading-rules\/embed\/#?secret=uLw53pdJuz\" width=\"600\" height=\"338\" title=\"&#8220;NZS 3631: 1988 New Zealand Timber Grading Rules&#8221; &#8212; NEW ZEALAND BUILDERS ASSOCIATION\" data-secret=\"uLw53pdJuz\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/nzbuilders.org\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/nzbuilders.org\/wp-content\/uploads\/2025\/12\/layoutcontent-2-category_image.jpg","thumbnail_width":767,"thumbnail_height":511,"description":"Construction Type\u00a0: Profession Type :\u00a0Carpenter Building Standard :\u00a0NZS 3631: 1988 Published At : 01\/07\/1988 NZS 3631: 1988 New Zealand Timber Grading Rules Establishes visual grading rules for the selection of timber into quality classes. Four types of grades have been specified. Provision has also been made for new crop radiata pine."}