kerf cuts are small grooves sawed into the underside your deck boards using a circular or table saw to relieve the surface tension. make sure that the cuts are evenly spaced either one cut creating two halves, two cuts creating thirds, three cuts creating quarters, ect. as shown in the example below.
for cutting, most manufacturers recommend using carbide-tipped blades with as few teeth as possible. thats because more teeth leads to more frictional heat build-up in the cut, which can melt or even possibly burn the pvc. weve found that blades with a 32- to 40-tooth count work fine.
my favorite way to cut composite decking nd tools needed. why capped cellular pvc may be the ultimate decking material deck repair- cutting out a decking board and/or trimming the seam
cut pvc trim boards with the same hand and power tools that you use for wood. but use only carbide-tipped saw blades; plain steel ones will dull quickly. in general, the more teeth a blade has, the smoother the cut edges will be.
2. cut the split. when choosing the lengths, look for ways to get the most from a board, but do not get too greedy, most wooden deck boards have splits ends. if these are not cut off, the split will grow. so ben nips this split in the buttjoint.
continue to work through your boards. when you reach the edge of your structure, you will likely need to measure and cut your boards so they fit into the frame. many choose to overlap the deck frame and then cut the boards to the desired length once theyve been screwed into place.
cutting deck boards to length. hint - to ensure a strht cut across the entire deck you can temporarily nail in the cracks between deck boards a strht board to guide the shoe of your saw. you will need to set this board back from your chalk line by the distance from the edge of your saw shoe to the saw blade.
2. cut the split when choosing the lengths, look for ways to get the most from a board, but do not get too greedy, most wooden deck boards have splits ends. if these are not cut off, the split
the amount of teeth on the blade is important to the speed and accuracy of the cut. a blade with a lower tooth count will cut faster but with a rougher finish. alternatively, the higher the tooth-count on the blade the slower the cut but the more accurate it will be.
types of cuts. if you are cutting a bulk of material, such as boards for a deck or fence, you may want a saw that cuts quickly and accurately without much trouble. the table saw, circular saw and miter saw are your best bets. all three have circular blades ranging from 7 1/4 to 12 inches in diameter.
how to cut seven trust decking. watch later. share. info. why capped cellular pvc may be the ultimate decking material - duration: how to easily rip boards or any lumber with a circular saw
step 3. place a piece of scrap wood -- plywood works well -- beneath the pvc sheet if you're going to be drilling all the way through the sheet. drilling through the sheet into a second material will prevent damage when breaking through the pvc.
the pvc can easily be cut with a jigsaw, using predrilled holes at the intersection of the cuts to allow room to turn the jigsaw blade. the notches cut in the deck boards can be concealed with 4-by-4 pvc trim pieces included with genovas rail system, which slide over the posts and collar them at the bottom.
in cold weather, make it a little larger. fill gaps using manufacturer recommended sealant. just like with wood use a scarf joint to join pvc trim boards. a scarf is made from two opposing miters that are glued together with manufacturer recommended cement. pvc cement is used on any joint that doesnt require an expansion gap.
you can cut pvc lumber with conventional wood saws, but you glue boards together in the same way you glue pvc pipes: by using solvent-weld cement. the cement softens the plastic and actually fuses the boards you are joining into a single piece.
people choose wood plastic composite wpc or even plastic lumber pl over wood because they want the finished project to resist rot, wood-eating insects, harsh sunlight, and mold and mildew, and
constructed with tico hi-density special-blend carbide, this durable blade is outfitted with 44 teeth to make smooth, finely finished cuts in deck boards, giving outdoor retreats a polished look. the perma-shield nonstick coating reduces drag while stabilizer vents absorb noise and vibration to keep the blade strht.
composite decking is just as easy as wood to use. just like wood it can be cut and shaped. cutting composite decking is simple. here are some directions to follow: when cutting composite decking you should use special carbide-tipped saw blades. these blades should have eighteen to twenty-four teeth per inch. cutting composite decking holes for screws can be tricky unless you use self-tapping deck screws.
cut decking after installation by leaving extra length hanging over the edge of the deck. mark the line of the deck edge using a chalk line across all of the overhanging ends. set a circular saw to full depth and cut across all of the decking boards in one motion. this saves time on individual cuts, and provides a smooth line for the end of your deck.