Gaps between the floor and the baseboard can cause cold drafts to enter your home as well as air leaks that result in heat loss.
Draft stop floor framing materail.
Basement walls that are framed up against the concrete foundation walls need to be fire blocked because there is a gap between the framing and the concrete wall.
If the chase penetrates the top plate but not the 2nd floor subfloor you still have created a pathway that could allow access up the wall past the top plate and onto and into the joist bay of the 2nd floor.
If the gap between the wall and floor is wide and the draft particularly strong remove the baseboard and spray foam insulation into the gap.
Draftstopping materials shall be not less than 1 2 inch 12 7 mm gypsum board 3 8 inch 9 5 mm wood structural panels or other approved materials adequately supported.
This is a draft stop required to divide the mid floor when open web trusses are used so no area is greater than 1000 square feet.
Danny parker a research scientist with the department of energy estimates that the homeowner could reduce energy consumption by between 3 and 18 percent by sealing household drafts.
The integrity of the draftstops shall be maintained.
Caulking batt insulation or fire blocking expanding foam.
708 3 1 3 draft stop construction.
When a drop ceiling intersects a wall a row of fire blocks.
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If the floor is carpeted pull the carpet off the tack strip and away from the wall and caulk between the baseboard and subfloor.
Draftstopping shall be installed parallel to the floor framing members unless otherwise approved by the building official.
Warm air rises and as it does cool air rushes in to take its place creating a draft that appears to originate on the floor.
If you have back to back walls with an air space in between you need a full height draft stop between the walls at 10 feet on center.
I think the object of draft stopping is to prevent fire spread into the enclosed space above created by the chase penetration.
How to stop cold drafts from the floor.
3 pack door draft stopper 39 x 2 strong self adhesive under door seal fits for for exterior and interior doors door draft blocker draft guard for door soundproofing white by suptikes 16 99 16.
Draftstopping materials shall not be less than 1 2 inch 12 7 mm gypsum board 3 8 inch 9 5 mm wood structural panel 3 8 inch 9 5 mm type 2 m particleboard or other approved materials adequately supported.
Stopping cold drafts requires a.
Insulation is not an issue.
Tools and materials framing tools and materials.
