Fixing Flat Roof Insulation

Adding tapered insulation will fix the slope of the roof and add to the building s energy efficiency.

Fixing flat roof insulation.

High compressive strength and excellent dimensional stability ensures the board benefits from the flat surface finish required to ensure optimum performance. Fixing flat roof insulation is quick and easy with insofast isf18 fixings. Finding damaged areas on a. A layer of rigid insulation laminated to a thin sheet of exterior grade plywood or osb.

Sealing small cracks and holes. The warm flat roof has a plywood decking board that is laminted to a layer of. For a 1 inch board equivalent of 6 r value. These one piece hammer in fixings are part of a range of insulation anchors manufactured by thor helical.

Composite insulation panels are insulation and decking in one. Slice open blistered spots with a utility knife. The fasteners have a twin start spiral shank welded to a button head and are designed to secure plywood topped composite insulation boards to timber roofing rafters. While expensive the best insulation is polyiso rigid foam.

How to repair a flat roof method 1 of 4. If moisture is a major concern you can also install xps rigid insulation which offers superior moisture resistance. You can expect to pay about 55 100 sq ft. Flat roof insulation is in fixed to rafters with hammer in insulation fixings.

It is not cheap but if you have to fix the slope this option has the extra benefit of added insulation. Determine how far the leak is from the 2 closest walls.