Radiant Barrier Foam Board Insulation

If you remember back to high school science days heat transfers three ways conduction convection and radiation.

Radiant barrier foam board insulation.

R 3 graphite radiant barrier wall insulation kit 9 sheets kit model. Foam insulation most commonly comes in two forms. Radiant barriers can have an impact on heat gain e g. Shop at lowe s to find the foam sheeting you need for your next insulation project.

Polyisocyanurate is another option coming in as the densest and more expensive option for foam board. Radiant barriers are installed in homes usually in attics primarily to reduce summer heat gain and reduce cooling costs. 0 i live outside phoenix az and i have a flat roof that will be redone no attic. If your garage roof was insulted with standard foam board spray foam rock wool bats or even fiberglass bats or panels the insulation would be more effective for less cost year round.

Excess moisture can cause mold mildew odors decay fungus growth and wood rot. Foam insulation rigid boards are 4 x8 sheets usually cast of closed cell polystyrene designed to fit directly inside walls against the interior or exterior of plywood sheathing as well as on top of sub floors. R5 radiant acoustic insulation kit stc 19 5 piece model sb12akit. The rigid foam insulation addresses the conduction and convection and adding a radiant barrier addresses radiation you ll find that adding a radiant barrier is best practice but only when there is an air space.

The barriers consist of a highly reflective material that reflects radiant heat rather than absorbing it. Atticfoil is a perforated radiant barrier so it can handle the regular amount of moisture that naturally passes through the sheetrock and insulation but it could be overloaded if you have a large source of warm moisture laden air. In the summer radiant heat is the biggest contributor to heated attic spaces so spray foam insulation may not be as effective in keeping attics cool. The list of uses includes crawl space radiant floor attic and walls.

Get free shipping on qualified foam board insulation or buy online pick up in store today in the. From a hot roof but the issue is efficiency vs cost. They don t however reduce heat conduction like thermal insulation materials. Typically sold as sheet insulation in a standard size of 4 x 8 foam insulation panels can help reduce energy costs get a handle on moisture control and more.

Insulation foam boards don t work on uneven walls basement walls often have contours where a 4x8 foam board won t fill the gap. Reflectix insulation has over 20 energy saving applications for reflectix insulation has over 20 energy saving applications for around the home.