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The beautiful days are conducive to the restoration of the exterior joinery. This essential maintenance work extends the life of doors and windows. At the same time, it gives a fresh air to the house.

Text and photos J. Petit-Jacquin

Practical advice

Avoid painting and letting your work dry in direct sunlight. The paint may wrinkle or crack when drying too fast. At the same time, renovate windows and shutters. The techniques used are identical, but the time has to be doubled. To keep in mind to establish the work schedule. When disbanding a high window, adjust your grip well to avoid being surprised. The weight of the ballant can unbalance you and make you fall.

The rain and the sun are the worst enemies of the exterior joinery that suffer when the wood is exposed unprotected to bad weather.
● Peeling paint, wood with deep cracking, traces of lichen, loose mastic... All warning signs to be interpreted urgently to list the interventions to be carried out without further delay.

Gradient paint and putty

To remove the paint, the use of a heat gun is to be dismissed from the outset because of the proximity of the windows that would inevitably crack. The chemical stripper is effective, but messy and long. He has to wait for the wood to dry after the final rinse with water. Rest scraping where the sanding, rather fast and leaving a surface ready to paint. But these two techniques cause dust.
● The tile sealant should be tested with a thick blade to remove the loose parts. In these places, the watertightness is no longer ensured and with each rain coming to beat the tiles, the water infiltrates between the sealant and the wood, stagnating in the rabbet. All conditions are met to cause an accelerated rotting. That the parties be replaced by traditional glazier putty (two weeks of drying before painting), or with silicone sealant, the essential is to promote the complete flow of rainwater from the top of the window to the water jet at the base of the opening.
● Damaged wood parts are repaired with a two-component epoxy resin (Sintobois type) particularly effective and easy to implement. Just add the hardener resin and thoroughly mix the products before filling in the missing parts. Hardening only takes a few minutes, the resin is then sanded and painted.

Paint and brush

Manufacturers have developed "microporous" paints whose interest is to let the wood breathe under a color film waterproof outdoor. This quality tends to fade (to disappear completely) with each new layer coming to cover the previous one.
● The paint is applied with a round or flat brush on a clean, dry, dust-free surface. The passes are crossed, ending with a smoothing from top to bottom, without pressing.

To scratch

To scratch

The scraper quickly removes peeling paint by exposing the wood. This reversible blade tool (its cutting edge is dull) is better suited than the sander for this job.

sand down

sand down

The preparation of the wood is completed by sanding with a medium abrasive (80 grit). The orbital sander soft top is ideal for flat or rounded surfaces.

Apply the sealant

Apply the sealant

Pushed into the hollow of the rabbet with a glazier's knife (called bay leaf), the sealant is then smoothed continuously with the flat of the blade guided on the edge of the rabbet.

Treat with a hanging resin

Treat with a hanging resin

The parts most exposed to the weather can be treated with a resin of attachment. The waterproof protective film it constitutes is an excellent support for painting.

Repair damaged wood

Repair damaged wood

Damaged wood parts are repaired with a resin mixed with a hardener at the time of use. Several shades are available to allow an invisible finish.

Lay a masking adhesive

Lay a masking adhesive

A masking adhesive eliminates the need to clean the overflowing paint on the windows. Choose a smooth ribbon, preferably with an embossed adhesive for sinuous contours.

To paint

To paint

The rechampir brush (pointed round brush) is the most suitable for painting a window. Load the brush by soaking it a third of its length in the paint.

Grease the hinges

Grease the hinges

Take advantage of the removal of the opening of the window to check the correct fixing of the hinges. Grease them by introducing a small amount of fat into the eye.


Video Instruction: DIY: How to install new window on old house