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Insulating Exterior Basement Walls using PlastiSpan HD

June 6, 2011

Written by: Melissa Carruthers

So exterior basement walls are next, this one is a little bit trickier (and dirtier) so make sure you read carefully and follow the steps.

Step 1: Make sure that the concrete surface is dry and free of dirt. Apply a damp proofing compound (whatever kind you want and only if its not already there) to the exterior face of the concrete wall from the from the top of the footings to above the finished grade.*
*If an asphalt emulsion is used, allow it to cure before installation of PlastiSpan HD

Step 2: Pick a corner and apply the PlastiSpan HD insulation from the top of the foundation wall to the top of the footing. Use a foam safe adhesive like PL300 to attach the foam.

Step 3: Measure and trim PlastiSpan HD insulation with a utility knife or fine tooth saw to cut around any openings like windows.

Step 4: Place a 6” deep layer of coarse gravel against the bottom edge on the PlastiSpan HD insulation and over the drainage tile.

Step 5: There will be exposed insulation so you need to protect it. Insulation must be protected from the top of the basement wall to 12” below grade to prevent damage. Stucco parging is one common protective layer that may be used.

Step 6: Now backfill the foundation wall to the required grade using backfill material that will permit drainage to the drainage tile at the bottom of the wall. Grade the soil so that the top soil is slopped away from the foundation wall.

For more information on insulating your exterior basement walls, visit: http://www.plastifab.com/applications/foundation/interior_exterior.html

Your exterior basement walls are now insulated, time to look at Radiant Floor applications using PlastiSpan HD.

5 Comments leave one →
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Trackbacks

  1. Renovating your Home with Plasti-Fab Exterior Sheathing « Plasti-Fab
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