How Do I Insulate a Patio Awning?
Patio awnings are secondary overhangs that are attached to an exterior wall of a building and extend over a specified area to provide shade and protection from the elements. The basic designs have not changed much over the years, but advancements in features and technology have made awnings valuable additions to property. Insulating your awning can help provide an extra degree of protection and make the patio area more comfortable during colder months. Doing it yourself is easy and can be accomplished by following these few simple steps. Does this Spark an idea?
Things You'll Need
- Plastic tarp
- Ladder
- Measuring tape
- Protective eyewear
- Gloves
- Spray-foam insulation kit(s)
- Petroleum jelly
- Waterproof fabric or plastic
- Utility knife or scissors
- Drill with metal bit
- Heavy-duty fabric punch
- Bolts
- Washers
- Nuts
- Screwdriver
- Epoxy sealant
Instructions
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1
Spread a plastic tarp over your outdoor work area. Detach the awning from the side of the building and have someone help you lower it to the ground. Lay the awning on top of the tarp with the underside facing up.
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2
Measure the awning to calculate how many square feet of insulation you will need. Every type of spray foam is different; read the label on the foam container to find out how much you need, based on your measurements.
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3
Thoroughly clean the awning to get rid of grease, dirt, or other debris. Let the awning completely dry.
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4
Put on protective goggles and gloves. Attach the nozzle to your spray-foam gun, following the instructions on the spray-foam insulation kit. Apply some petroleum jelly to the nozzle's tip to keep the foam from sticking inside the nozzle and help the spray bottle to work more efficiently.
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5
Squeeze the spray trigger to dispense the foam. Apply a 1-inch-thick layer of insulation to the underside of the awning. Start applying the foam within a minute of pulling the trigger, or the foam will start curing in the nozzle and you will have to replace it. Cover the entire underside of the awning.
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Let the foam cure according to the product directions.
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7
Cut your waterproof fabric or plastic tarp to the same dimensions as the awning, using a utility knife or scissors.
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8
Drill holes into the metal or wood awning frame where you will secure the fabric or plastic to cover the insulation. Although most foam insulation is water-resistant, adding a cover ensures extra protection and cleans up the look of the awning. Create corresponding holes in your fabric or plastic covering, using a heavy-duty fabric punch, such as one made for leather.
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9
Lay the covering over the insulation. Secure it to the awning's frame by inserting bolts through the holes you made, placing washers and nuts over the bolts, and tightening the nuts.
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10
Secure any loose edges with an epoxy sealant. Let the epoxy and foam finish drying and curing before reinstalling the awning.
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Tips & Warnings
Test the foam applicator after preparing the nozzle by shooting some insulation into a bucket. This ensures that your nozzle is ready and allows you to gauge the force with which you will need to pull the trigger.
If applied correctly, the foam insulation should not sag.
Do not do this project indoors. Spray-foam insulation is best installed in a well-ventilated area for the installer's safety.
