{"id":2214,"date":"2026-06-13T15:42:52","date_gmt":"2026-06-13T07:42:52","guid":{"rendered":"https:\/\/www.gdgaoyi.com\/?p=2214"},"modified":"2026-06-16T15:16:26","modified_gmt":"2026-06-16T07:16:26","slug":"%e6%88%91%e5%ae%b6%e5%88%9a%e8%a3%85%e7%9a%84%e6%a0%91%e8%84%82%e7%93%a6%ef%bc%8c%e4%b8%ba%e4%bb%80%e4%b9%88%e9%82%bb%e5%b1%85%e5%ae%b6%e5%8d%b4%e5%9c%a8%e6%bc%8f%e6%b0%b4%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.gdgaoyi.com\/en\/news_xq\/2214.html","title":{"rendered":"We just had resin shingles installed on our house, so why is our neighbor\u2019s house leaking?"},"content":{"rendered":"

Title: Two Outcomes After a Heavy Rain<\/strong><\/p>\n

Over the past two months, our neighborhood has seen a surge in roof renovation projects. Some people opted for color-coated steel roofing sheets to save money, only to find them covered in rust within six months. Others hired fly-by-night contractors to save trouble, but now, every time it rains, their homes are filled with buckets and basins to catch the water, making life a living nightmare.<\/p>\n

And me? After watching the installation of synthetic resin shingles for a full three months, I finally bit the bullet and replaced the entire pitched roof of my family home. To be honest, it looks simple\u2014isn\u2019t it just a matter of laying a few tiles on top? But anyone who really knows the trade understands that the real secrets lie in the parts you can\u2019t see: the spacing of the roof purlins, the sealing of joints, the calculation of the slope\u2026 Every single detail determines whether you\u2019ll be sleeping soundly ten years from now or getting up in the middle of the night to mop up water.<\/p>\n

Today, as a company with many years of experience in the resin roofing tile industry,Guangdong Gao Yi Building Material Technology Co.<\/strong>I\u2019d like to discuss something with you all: Why is it that with the same type of resin roofing tiles, some people\u2019s tiles look brand-new after ten years, while others start leaking after just two years?<\/p>\n

I. Three Key Issues You Must Understand Before Installation<\/strong><\/p>\n

Many people think that once they\u2019ve bought the tiles and laid them on the roof, the job is done\u2014but that idea is utterly ridiculous. In fact, the success of synthetic resin tile installation depends largely on the preparatory work.<\/p>\n

1. Roof pitch: Anything less than 20 degrees is a recipe for disaster.<\/strong><\/p>\n

When installed properly, the roof slope must not be less than20 degrees<\/strong>Why? Because the roof slope is too gentle, preventing rainwater from draining quickly and causing it to pool on the surface of the tiles. Over time, moisture seeps in through the overlaps, leading to mold on the walls in mild cases and water dripping from the ceiling in severe cases.<\/p>\n

Technical Recommendations from Guangdong Gaoyi:<\/strong>\u00a0If your older home has insufficient roof pitch, be sure to adjust the height of the purlins to ensure proper slope before installation. This is not an expense you should skimp on; otherwise, future repair costs could end up being more than ten times the installation cost.<\/p>\n

2. Purlin spacing: Even a one-centimeter difference is unacceptable.<\/strong><\/p>\n

The spacing between purlins must be precisely controlled at660 mm to 880 mm<\/strong>between. This range is the golden ratio derived from countless experiments: if the spacing is too wide, the tiles will sag in the middle; if it is too narrow, it wastes material and increases the load on the roof.<\/p>\n

I once witnessed a construction site where the foreman, to save time, spaced the purlins a full meter apart. After the first heavy rain, the roof collapsed right in the middle, and rainwater poured into the house through the gaps. The homeowner was so furious he stamped his feet, but since the damage was already done, they had no choice but to tear it all down and start over.<\/p>\n

Remember:<\/strong>\u00a0Installing synthetic resin shingles isn\u2019t a job to rush; if you lay a solid foundation at the start, you\u2019ll have peace of mind for at least a decade.<\/p>\n

3. Aging Resistance Testing: Don\u2019t Be Fooled by \u201dCheap Tiles\u201d<\/strong><\/p>\n

This is the point that\u2019s most easily overlooked. Some resin roof tiles on the market are absurdly cheap. Why? Because they haven\u2019t undergone aging resistance testing, or they\u2019re made from recycled materials. After just a year in the sun, these tiles become brittle; they creak when you walk on them, and they shatter instantly when hit by hail.<\/p>\n

Guangdong Gaoyi's Quality Commitment:<\/strong>\u00a0Every batch of resin roofing tiles we ship undergoes rigorous aging resistance testing to ensure they remain durable even under extreme weather conditions. When making a purchase, be sure to request the test report\u2014it\u2019s your guarantee for the next decade.<\/p>\n

II. How can you achieve the most durable results on a tight budget?<\/strong><\/p>\n

This is probably the question you're most concerned about. To be honest, the cost of installing synthetic resin shingles varies widely, butYou should never cut corners when it comes to critical aspects<\/strong>\u3002<\/p>\n

Selection of primary materials: 3.0 mm thickness is the minimum requirement<\/strong><\/p>\n

Don\u2019t just go for the lowest price.With a thickness of 3.0 mm or more and in compliance with national standards<\/strong>These tiles are the most reliable choice. Tiles that are too thin (such as those under 2.0 mm) will flex when stepped on and are prone to cracking over time.<\/p>\n

Product Advantages of Guangdong Gaoyi:<\/strong>\u00a0Our standard resin roofing tiles are 3.0 mm thick and are made entirely from virgin ASA resin, offering weather resistance that far exceeds national standards.<\/p>\n

Details of Accessories: Small Screws Make a Big Difference<\/strong><\/p>\n