The most common residential roofing material used in the united states asphalt shingles are popular because they are economical and easy to install.
Roof material thermal roof space.
This roof material type combines spray polyurethane foam with a spray applied elastomeric coating or membrane.
These shingles can be reinforced with fiberglass or organic materials cellulose without changing the appearance of the shingle.
How they can be made cool.
Laterlite expanded clay or laterlite plus natural insulation is traditionally used for this purpose because.
High seams provide watertightness and wind uplift.
This dead space acts as a thermal barrier blocking heat transference from the roof to the interiors below.
Air cavity created by 19 mm 1 furring on 406 mm 16 centres.
The coating protects the foam from damage.
Insulating your roof and attic space will help retain energy in your home often leading to cost savings and comfort improvement.
It is easy to put in place because it is laid dry.
Our radiantguard radiant barriers reflect 95 97 of the radiant heat that strike their surface across and air space and conversely only emit 3 of.
Insulating the space below a pitched roof minimises thermal dispersion and improves winter and summer thermal comfort in the spaces below.
Roofs can be designed and constructed to be either vented or unvented in any hygro thermal zone.
Negligible contribution to effective thermal resistance.
Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house.
Shingle roofs consist of overlapping panels made from a variety of materials such as fiberglass asphalt wood polymers or metals.
Department of energy the surface of a cool roof reflects more sunlight and releases more heat than a so called hot or dark roof.
Coating existing asphalt shingles to make them cool however is not normally recommended or approved by shingle manufacturers.
Vented roof air space.
Created by 38 mm x 89 mm 2 x4 purlins on top of joists cavity is completely filled with insulation.
In some cases this innovation has reportedly reduced cooling costs by as much as 20 percent not too shabby for some repurposed soda cans.
While the term cool roof is sometimes used to describe any roofing surface that is cooler than a standard rooftop green certification.
Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow.
In these attic space applications there is an air space below the radiant barrier.
It is the existence of a single air space that eliminates almost entirely the pass through of radiant heat.
Buy cool asphalt shingles which use specially coated granules that provide better solar reflectance.