Why Is My Flat Roof Spongy? A spongy feel to a flat roof usually indicates significant water ingress into the flat roofing substrate. This is typically caused by insufficient drainage systems and a faulty gutter system due to poor maintenance. This can also occur when water saturates the granular aggregate layer and seeps in, after […]
What Is The Minimum Slope For A Pitched Roof? Modern roofing materials have made it feasible to construct roofs with angles as low as 12.5 degrees that operate just as well as those with a minimum pitch of 20 degrees. A roof with a slope of fewer than 12.5 degrees is deemed flat. It is […]
How Do I Get Rid Of Green Algae On My Flat Roof? The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae. This solution can be repeated as needed, although it may not work every time. If a more permanent […]
Does A Roof Lantern Let In More Light Than A Flat Roof Light? A roof lantern is a type of skylight typically installed on a flat roof. Roof lanterns are often used in commercial and industrial buildings, providing a high natural light. However, they can also be used in residential settings. A roof lantern typically […]
Does A Flat Roof Need A Breathable Membrane? It is a common misconception that flat roofs do not need a breathable membrane. This is not the case, as simply installing a breather membrane can immediately reduce heat loss by up to 25%. In addition, a breather membrane can eliminate thermal bridges at critical points, such […]
Do You Need A Wall Plate For A Flat Roof? It is important to strap down any wall plate on a flat or pitched roof to prevent the plate from becoming dislodged or damaged. This is especially important in timber-framed roofs, where the straps help to keep the roof from shifting or collapsing. The straps […]
Can You Change A Pitched Roof To A Flat Roof? There are two ways to change your pitched roof into a flat roof: you can either completely replace the structure or alter the existing structure if possible. To completely replace the roof, you will need to remove the pitched roof and build a new roof […]
Can Slate Be Used On A Flat Roof? Slate is a popular roofing material because it is durable and has a long lifespan. However, it is important to note that slate is not ideal for flat roofs. This is because slate or clay tiles must be applied to a roof with a 4-in-12 slope or […]
Do Flat Roof Joists Need Noggins? Flat roof joists need noggins to stabilize the roof and prevent the joists from twisting. Without noggins, the roof would be much less stable and potentially collapse. Noggins also help to tie the two joists together, adding a degree of rigidity. This is why flat roof joints need noggins […]
Can Water Sit On A Flat Roof? It is not uncommon for the water to pond on flat roofs for 12-36 hours after a rain storm. However, the National Roofing Contractors Association advises that any water found on a flat roof for more than two days should be examined by a professional. There are several […]