Flat Roof Fiberglass Insulation

Explore owens corning commercial roof and roof deck insulation products to help with your next building project.

Flat roof fiberglass insulation.

As a rule any roof with a pitch below 10 is classified as a flat roof. There are two main types of flat roof that require different approaches to. Composite insulation works in flat and low sloped roofs with a variety of roof coverings. Fm class 1 for fire barrier requirements and ul class a unlimited slope with excellent surface burning characteristics.

The insulation used in low slope roof assemblies typically falls into one of the four categories. Or sprayed polyurethane foam spf. Rigid board insulation rigid board insulation is the most common type of insulation used in low slope commercial roofing. As a result if you open up most flat roofs especially those located in places like arizona you will see a lot of moisture rot and mold as a result.

Lightweight insulating concrete lwic. See fiberglass insulation mold. Rockwool products are available with a bitumen or mineral coated fiberglass face to be used in a number of roofing solutions. Meets the requirements of astm c 1177.

Walls ceilings attics floors. This problem also occurs in roofs that have fiberglass batt insulation and no venting. There is severe rot and mold growing in the sheathing. Tapered insulation is compatible with many different roof types and in both new build and refurbishments.

Tapered insulation as a flat roof solution. Under a flat or low slope roof the usual rules about roof insulation and ventilation don t apply. Dual purpose structural deck and insulating planks. Sometimes inspectors find that it is completely wet.

For example moisture collecting as condensation in fiberglass roof insulation may leave the insulation with serious mold contamination even though the insulation still looks clean. Rockwool stone wool roof insulation combines the thermal performance dimensional stability impact resistance and acoustic control required to increase the performance of many flat roof assemblies. It is made from. 5 8 thickness meets the requirements of type x per astm c 1177.

In most cases there will not be a loft in a building that features flat roofing. This means that your approach to insulation will differ from a standard pitched roof. Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with roofing adhesives. Laying flat roof insulation.