Always caulk between the siding and the trim.
Fill big gaps in siding.
Accepts stain or paint just like real wood.
Cracks and holes in any surface collect water which causes paint to peel.
There are many places where you may need to fill gaps before you paint.
Apply the wood filler to the craft sticks to fill the hole.
Undersized so it s easy to fit in.
The craft sticks will act as a support for the wood filler.
On an interior paint job you could find them where walls meet ceilings on inside corners of walls where wood trim meets walls on inside corners where wood trim meets other wood trim i e.
Exterior trim around doors and windows needs to be caulked to fill any gaps between the trim and the siding behind the trim.
Fill larger gaps with foam backer rod sometimes called spline.
Caulk is a substance designed to seal a joint between two surfaces and.
This can be found at well stocked hardware stores but not always at large home improvement centers.
Shim the rigid foam in place with little chunks of foam.
A good diy approach is to cut rigid foam insulation to fit between the joists.
Once your wood filler is mixed use it quickly.
Push the appropriate size backer rod into the gap below flush with the surface.
Cellulose filler is made with real wood.
Sands flat and even.
Cut it about 1 2 in.
Vertical trim gap caulking.
Cellulose fillers are mostly for filling holes in woodworking projects like cabinets mantels trim or projects that you plan on finishing with stain and a topcoat.
While properly engineered.
On door window frames and baseboards etc.
How to fix the gaps in exterior trim.
Apply the filler to the craft sticks using another craft stick or a putty knife.
Filling cracks and holes with caulk in your home s trim and siding before painting not only makes the paint job look better but also makes the paint last longer.
Don t forget to caulk or foam the joint between the sill plate and the foundation too.
Leave a 1 8 gap between the siding and the trim or other materials to allow for structural movement.
Also check concrete supply centers as backer rod is used to fill gaps in poured concrete walls.