Spray Foam vs. RetroFoam

Spray Foam Insulation vs RetroFoam

Spray foam insulation has taken the DIY home improvement world by storm! Whether you are scrolling through DIY Home Repair Pins on Pinterest or watching your favorite home improvement show on HGTV, you are more than likely going to see spray foam insulation on your screen at some point.



While spray foam insulation is a fantastic option for new construction, when it concerns existing homes, it’s not the ideal insulation choice. Insulating your closed walls with spray foam either means tearing down–resulting in an unwanted lengthy and expensive process.



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Metal Buildings

For metal buildings, we typically use 1-2 inches of closed cell spray foam. Closed cell foam is rated to be exposed and is very rigid; adding 20% strength to the structure for every inch that is applied. Closed cell is also a vapor and air barrier at anything over 1 inch depth. Open cell foam is typically used in a metal building if it is going to be a shop home as it provides sound absorption.


Open cell foam is recommended by manufacturer to be no less than 3 inches thick in order to have the proper air barrier and permeability rating for metal structures. If structure is to be a living space, the manufacturer recommends that a 15 minute fire barrier be applied between the open cell foam and living space. This can be achieved with sheet rock or an intumescent paint on the foam.


Foam insulation is the most energy efficient insulation on the market currently. But, please remember that foam insulation allows you to control 99% of the air flow in your home; with that, fresh air systems and multiple SEER rated HVAC units are recommended to help control the humidity in a structure to help prevent mold growth. Mold growth only happens when humidity exceeds 60% within a sealed space for more than 48 plus hours

An Energy Efficient Choice

According to the Department of Energy, the average American spends $2,000 each year for their energy bills. Their studies have shown that a potential $200-$400 of that average could be going to waste due to drafts or air leaks!


RetroFoam has the answer to STOP the energy loss through your walls. With energy costs expected to increase significantly, RetroFoam can quickly pay for itself by reducing your utility bills up to 50%. You may be wondering…how? RetroFoam prevents air infiltration by sealing all wall cracks and crevices where air can potentially enter or escape your home.

A Hassle-Free Installation Process

RetroFoam is typically installed from the exterior, which means that most existing homes can be insulated with RetroFoam. The installation process may vary slightly, depending on the type of siding on your home. For most homes, a small section of your siding is removed and a hole is drilled in each stud cavity. Then, RetroFoam is injected into each cavity and those cavities are plugged once the RetroFoam has been installed. After cleanup is completed the siding is put back on, leaving no mess behind! Most installation processes can be completed in one day and the benefits are immediate! This brief installation process eliminates the need for construction, wall tear down, or movement of furniture; making this process extremely convenient.

A Cost-Efficient Insulation

An exact cost of the installation of RetroFoam cannot be provided due to varying factors, but we can briefly explain ways in which RetroFoam is cost-efficient. RetroFoam can potentially pay for itself by saving you money on your energy bills and it can potentially lower your energy costs by up to 50% with its excellent sealing qualities. Unlike spray foam insulation, it’s not necessary to tear out walls or remove old insulation, resulting in a significant cost drop and making RetroFoam the most cost-efficient choice for insulation. RetroFoam insulation is the home improvement that PAYS YOU back!



If you are ready to start experiencing the benefits of RetroFoam insulation then request a FREE estimate on our website or call us today at (501) 764-2110! We look forward to working alongside you!



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