Preparation before you begin
1) UPVC windows aren't designed to be load bearing, thus a girder is also needed on top of the window. Consult a certified surveyor or fitter beforehand if you're unsure.
2) Check the design, handing and size of your window against what you ordered
3) Before the present window is removed, check gap sizes and bear in mind any new window ought to some be 10mm smaller tall and breadth than the brick gap.
4) Guarantee a clean and clear operating space round the window, thus take away any interior and furnishings.
Removal of the present Window
1) Make sure the immediate space is roofed with sturdy dustsheets within and out of doors
2) Use the nail bar/screwdriver to get rid of all gap sashes
3) Confirm you're victimization the significant duty gloves and specs to get rid of the glass remaining window mounted lights. Rigorously crack the glass with the screwdriver or punch and lightweight hammer. To try and do this safe as potential, make sure you begin at the highest corner from within the window, then take away the cracked shards and place this into the plastic bin. Guarantee all the glass has been removed and proceed to following step.
4) Victimization the Stanley knife on the within of the window, break plaster seal round the edge of frame.
5) Go across the remaining vertical and horizontal frame members victimization the handsaw and so take away.
6) Try to minimise the injury to the plaster, masonry and damp proof membrane as you narrow through the outer frame jambs head and therefore the cill of the frame.
7) Applying careful application of the nail bar it ought to currently be potential to lever the framework aloof from the plaster line with minimum disturbance.
Fitting the New Window
1) Place the window cill profile onto the masonry, specified the up stand is nicely comfortable against the plaster line of the jambs. You will got to trim the horns to suit round the masonry.
2) Victimization the plastic packers confirm to level the cill with approx. 5mm clearance between it and therefore the masonry.
3) Make sure the cill is secure to the masonry victimization the eight x100mm fixing bolts positioned approx 150mm from every finish and at 600mm centres thenceforth. Don't over tighten the fixing bolts and check the amount.
4) Run a bead of polymer on the rear fringe of the cill up stand
5) Then victimization polymer or superglue, secure the tip caps into position. The caps might have trimming to size if the cill horns are cut round the masonry
6) Take away all the glazing beads from the frame and marking them consequently to create positive that they will get replaced into the initial position.
7) Then supply the new window into position and with the bottom comfortable against the cill up stand, guarantee a good seal into the bead of polymer. Clean off any excess polymer. Victimization the level, make sure the window is positioned vertically and wherever acceptable it's impecunious against the plaster line.
8) Wedge the window into its position by victimization the plastic packers that are provided.
9) Make sure that the framework doesn't bend by over packing
10) Make sure the vents of the windows are hospitable change access to the outer frame jambs. Victimization #8 x forty posidrive screws, secure rock bottom of the window to the cill, 150mm from every internal corner and 600mm centre’s thenceforth.
11) Confirm the window jambs are secured into the masonry surround victimization eight x 100mm fixing bolts 150mm from every corner and at +/- 600mm centre’s thenceforth.
12) It's necessary to recollect that all told cases the screwheads aren't standing on top of as this could interfere once it involves the glass fitting and positioning. Please note, it's not judicious to aim bolt fixing within the head of the window as there's the chance of for good damaging the structural header of the window. The simplest answer for fixing the top is to use increasing foam, that is obtainable for the asking.
13) Finally, shut and lock all gap sashes and so check for oblongness inside the outer frame.
Glazing
1) Before locating the glass sealed units into the acceptable aperture, it's necessary and necessary to position twenty two x one hundred x15 glazing bridges into the frame recess. Atiny low dab of polymer can then secure the packer in situ in preparation of following step.
2) Position a twenty eight x one hundred x five glazing packer on rock bottom glazing bridges. Within the event of facet decorated sashes additionally glue or polymer a further twenty eight x one hundred x five glazing packer onto the glazing bridge that's opposite the hinge facet.
3) Supply the acceptable glass sealed unit into the aperture and confirm it's resting squarely on the glazing packers. Make sure the glass is central inside the gap and so push the glass into the rebate as way because it can go while not victimization undue pressure.
4) Solely victimization hand pressure, position further 2mm glass packers to face up if this is often necessary.
5) Gently unlock and open the sashes to make sure that no binding happens inside the protection system which no movement happens between the glass and frame. Slight, minor glass packer changes is also necessary to realize good oblongness.
6) Then clip back the pre-marked glazing beads into the initial position within the following order; high, bottom and so sides.
7) Rigorously apply a bead of polymer between the skin masonry and frame edge, memory to wipe off any excess.
8) Equally, gun a skinny bead of acrylic between the within plaster and window from the edge. Permit this beading to heal which is able to take some one hour. Take away all the protecting tape from the faces of the frame, clean wherever necessary with heat and cleanser water.
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