Improving the detailing of wooden sill connections focuses on optimizing waterproofing and durability. By partially removing the underside of the sill, better ventilation is ensured between the sill and the drip edge. This technique prevents moisture buildup and promotes optimal air circulation, thereby extending the lifespan of the sill and the overall structure.
Required equipment:
– Splicing saw
– Oscillating saw
P12.1 Make a guidance rail so that the splicing saw can cut horizontally into the sill.
P12.2 Measure the depth of the cut and adjust the splicing saw. Select the desired saw blade (only for wood or suitable for wood and metal).
P12.3 Gradually guide the splicing saw from left to right across the guide rail.
P12.4 Saw into the ends of the sill (corners) with an oscillating saw. Then remove the sawn part.
P12.5 Check the surfaces to be treated for structure (soft, crumbling), weathering and degradation. If this occurs, use the router equipped with a half-round bit (diameter 9.5 mm, speed 22,000 rpm) and remove the degraded wood. Then follow the curative procedures.
P12.6 Only paint the bare wood where splash contact is possible.
P12.7 Treat according to painting advice. Always use a primer as a base. When time is important factor a quick drying primer can be used.
