The filler should be level and even with the surface of the wood.
Fill big gaps in siding.
On door window frames and baseboards etc.
This can be found at well stocked hardware stores but not always at large home improvement centers.
Sands flat and even.
Don t forget to caulk or foam the joint between the sill plate and the foundation too.
How to fix the gaps in exterior trim.
Caulk is a substance designed to seal a joint between two surfaces and.
Apply the wood filler to the craft sticks to fill the hole.
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.
Once your wood filler is mixed use it quickly.
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.
Cellulose filler is made with real wood.
Undersized so it s easy to fit in.
Then fill the space around it with expanding foam.
While properly engineered.
Cracks and holes in any surface collect water which causes paint to peel.
Vertical trim gap caulking.
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.
Do not caulk between siding and any built in receiving channels located at or around windows.
A good diy approach is to cut rigid foam insulation to fit between the joists.
Fill larger gaps with foam backer rod sometimes called spline.
Cut it about 1 2 in.
Exterior trim around doors and windows needs to be caulked to fill any gaps between the trim and the siding behind the trim.
Shim the rigid foam in place with little chunks of foam.
Also check concrete supply centers as backer rod is used to fill gaps in poured concrete walls.
Apply the filler to the craft sticks using another craft stick or a putty knife.
The craft sticks will act as a support for the wood filler.
There are many places where you may need to fill gaps before you paint.
Leave a 1 8 gap between the siding and the trim or other materials to allow for structural movement.