Designed specifically for fitting brackets and clips when installing PVCu rainwater systems. Corrosion resistant coating rated to 1,000 hours salt spray. Single slash reduces torque and splitting risk near timber edges. Fixes gutters, downpipes and rainwater fittings securely.
Available options and pricing for Rainwater Screws - PZ - Low Profile Pan - Exterior - White, with quantity selectors and a running total
Size
QTY
SKU
Price
QTY
Total
6.0 x 40mm
200
60040CLARWBX
£13.98£16.78
—
5.0 x 25mm
400
50025CLARWBX
£13.78£16.54
—
4.0 x 40mm
300
40040CLARWBX
£9.96£11.95
—
These white rainwater system screws from Timco are purpose-built for one job: fitting brackets and clips during PVCu gutter and downpipe installation. They are not a general-purpose screw painted white and hoped for the best. The low profile pan head sits flush and neat against white PVCu fittings, and the white coating means they disappear into the system rather than drawing the eye to every fixing point.
The 40-degree deep single thread gives solid pull-out resistance, which matters when a gutter bracket is carrying the weight of standing water or the occasional blocked downpipe. The corrosion resistant coating is tested to 1,000 hours salt spray, so they will handle years of weather exposure without weeping rust stains down your fascia boards.
Why These Rainwater System Screws Are Worth Using Over Standard Screws
Screws with a 25mm or longer shank include a single slash cut beneath the head. This reduces torque during drive and significantly lowers the risk of splitting timber when you are fixing close to the edge of a fascia or bargeboard. Anyone who has put a screw through the edge of a fascia board will appreciate why this matters. The PZ drive keeps the bit seated cleanly and reduces cam-out when working overhead or at height.
Available in three sizes to suit different bracket types and fixing depths. When fixing into masonry, a red 5.5mm plug is required. The white finish ties in with standard white PVCu rainwater systems across most manufacturers.
Sold in trade quantities, these are a sensible stock item for any roofer, fascia installer, or general builder who regularly fits guttering. Having the right screw for the job saves time and avoids the kind of finishing work that nobody wants to explain to a customer.
Pro Tip: When fixing into masonry behind a fascia board, use a red 5.5mm plug and make sure the plug sits slightly recessed so the screw pulls the bracket tight rather than binding on the plug face before the bracket is seated.
These screws are used primarily during the installation of PVCu rainwater systems, covering gutter brackets, downpipe clips, stop ends, and union connectors. They are suited to fixing into timber fascia and bargeboard, as well as masonry with the correct plug. Roofers and fascia board installers use them regularly on new build and refurbishment work, and they are equally at home on domestic properties and commercial units with standard white PVCu guttering.
Best For
PVCu gutter bracket fixing
Downpipe clip installation
Fascia and bargeboard fixing
Masonry fixing with red 5.5mm plug
Rainwater system refurbishment
Available In
4.0 x 40mm
5.0 x 25mm
6.0 x 40mm
Key Properties
1,000 hour salt spray corrosion resistance
40 degree deep single thread for pull-out resistance
Single slash on 25mm+ screws to reduce torque
Low profile pan head
PZ drive
White coated finish for PVCu systems
Not suitable for: Not suitable for structural timber connections or load-bearing applications. Not designed for use with brown or black PVCu systems where colour-matched fixing is required.
Select the correct screw size for the bracket type and fixing substrate. For timber fascia, drive directly through the bracket hole into the board. For masonry, drill the appropriate clearance hole and insert a red 5.5mm plug before driving the screw. Ensure the bracket is correctly positioned before driving fully, as the thread bites quickly and repositioning is not always clean once started.
Use a PZ2 bit and a power driver set to a controlled torque. Overhead working is common with guttering, so a bit with good seating in the PZ recess will save you chasing dropped screws off scaffolding all afternoon.
Select the correct screw size for the bracket and fixing depth required
Position the gutter bracket or downpipe clip in the correct location on the fascia or masonry surface
For timber fixing, drive directly through the bracket hole using a PZ2 bit
For masonry, drill a clearance hole and insert a red 5.5mm plug before fixing
Set your driver to a controlled torque to avoid overdriving the low profile pan head
Drive the screw until the bracket or clip is held firmly against the surface without distorting the PVCu fitting
Do I need a specific wall plug when fixing into masonry?
Yes. When fixing into brick or block, a red 5.5mm plug is required. Standard brown plugs are not sized correctly for these screws and will not give a reliable fixing.
Will these screws rust and stain the fascia boards over time?
The coating is tested to 1,000 hours salt spray resistance, which is well above what most exterior fixings face in normal UK conditions. They are designed for permanent outdoor exposure on rainwater systems and will not rust out quickly or leave the rust streaks you sometimes see with cheaper alternatives.
Manufactured with a 40-degree deep single thread profile for high pull-out resistance in timber substrates. The corrosion resistant coating is tested to 1,000 hours salt spray in accordance with standard exterior fixing requirements. Screws of 25mm and above feature a single slash beneath the head to reduce torque and the risk of timber splitting near edges. PZ countersunk drive with low profile pan head geometry.
Brand
Timco
Drive Type
PZ
Head Type
Low Profile Pan
Finish
White Corrosion Resistant Coating
Salt Spray Rating
1,000 hours
Thread Type
40 degree deep single thread
Available Sizes
4.0 x 40mm, 5.0 x 25mm, 6.0 x 40mm
Masonry Plug Required
Red 5.5mm
Application
PVCu rainwater systems
Size
4.0 x 40mm, 5.0 x 25mm, 6.0 x 40mm
Box Quantity
200, 300, 400
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