Is insulating a garage worth it?

Adding insulation to a garage delivers a great return on investment in terms of energy savings throughout the year, and the benefits don’t stop there. A well-insulated garage can help extend the life of your vehicles, increase the value of your home, and even provide critical protection against fires.

What should I insulate my garage with?





5 Types of Insulation for Your Garage

Insulation Type Pros
Rigid Foam High R-value Easy to install Good noise reduction
Fiberglass DIY Friendly Inexpensive
Radiant Barriers and Reflective Insulation Reflects heat Lower cooling costs
Cellulose Fire-resistant Eco-friendly

Should you insulate an unheated garage?

The bottom line is that insulating even an unheated detached garage can make it better by making it more livable and prolonging the life of your car and other precious belongings. It does not cost much and you can do it yourself.

How can I insulate my garage cheaply?

Fiberglass roll insulation is the cheapest and easiest type to install, provided that your garage’s interior walls have not been constructed. Unroll the insulation between the wall studs with the vapor barrier facing the inside of the garage.

Should I insulate and drywall my garage?

Drywall is a great building matter that is highly resistant to fire so it is a great addition to garages. Garages often have power tools in them, flammable materials, and also people who work on cars with products that could catch fire. Installing drywall would be a good idea to keep it a safe area.

Can I insulate my garage myself?





There are several different types of insulation you can use, but Sebring recommends using fiberglass insulation sold in rolls or batts (precut sections) to insulate your garage yourself. He says this is the easiest DIY choice. Advantages of fiberglass insulation rolls and batts: Easy to handle and use between framing.

Do you need a vapor barrier when insulating a garage?

The majority seem to agree that insulated, unheated garages, should be allowed to breathe. If the garage is heated, you will need a vapor barrier, otherwise you will get frost and mold.

Is foam board insulation good for garage?

Rigid Foam Insulation
The most common materials include expanded polystyrene (similar to Styrofoam), extruded polystyrene, and polyisocyanurate. Rigid foam offers a high R-value per inch of thickness and can be cut to fit almost any space. It’s a good choice for thin walls and insulating garage doors.

How do I insulate my garage for winter?

How to Insulate Your Garage Door for Winter

  1. Get the Materials. First of all, you’ll need to make sure you have the following tools: …
  2. Add the Insulation. …
  3. Add the Doorstop Weatherstripping. …
  4. Put in a New Bottom Seal. …
  5. Put Your Door to the Test.


How much would it cost to insulate and drywall a 2 car garage?

How much does it cost to insulate & drywall a garage? For insulation, expect to pay about $350 for two 10′ x 20′ walls (around $0.88 per square foot). Drywall was less expensive, but more time consuming. If you’re doing it yourself, expect to pay around $275 for the materials and tools (around $0.68 per square foot).

What can I use instead of drywall in garage?

Plywood, medium-density fiberboard (MDF) and oriented strand board (OSB) are expedient and low-cost solutions for garage walls. They can be attached over studs quickly with framing screws and, unlike drywall, wood doesn’t require any taping, mud, or sanding.

Should I use drywall or plywood in my garage?



Drywall has a thick compound which offers superior fire resistance in comparison to plywood. Drywall consists of gypsum and crystallized water. Due to the addition of crystallized water, it’s highly resistant to fire and hence is the go-to option in garage walls in terms of safety.

What should I line my garage walls with?

When lining out concrete garages a good method is to use ply board sheets preferably at least 12mm thick. Ply board is a good material to use as it is sturdy and it repels moisture.

Is drywall OK in unheated garage?

Yes you can install drywall in an unheated garage too! Drywall is cost effective and easy to install. For an attached garage you must use drywall for the garage wall adjoining the house, as per the building code. Drywall is a great sheathing material for garage walls.

What should I put on the inside of my garage walls?

7 Wall Covering Ideas for Your Finished Garage

  1. Painting.
  2. Wood Paneling.
  3. Metal Panels.
  4. Plastic Or Fiberglass.
  5. Storage Panels, Such As Pegboards Or Slat Board.
  6. Moisture Resistant Backerboard.


What is the cheapest way to cover garage walls?

Shiplap is actually the perfect choice for garage walls. It’s durable, inexpensive, and easy to install. What is this? Unlike drywall, the solid wood makes it perfect for securing anything, anywhere with hooks or nails.

Is cement board good in a garage?

Both, Sheetrock & Cement Board are highly pest resistant.
This is one of the reasons, both Sheetrock and Cement Board are better for garage walls than other forms of sheathing such as shiplap, wood, plywood or OSB.