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Rods and pipes blog | UK pipe sizes, joints and cost

Blog10 articles

Guides for rods and pipes in a UK home: copper size, solder-free joints, MDPE or PVC, drainage fall, box-section cost, lagging and goods not as described.

Aluminium box section price per metre in the UK
Cost7 min read

Aluminium box section price per metre in the UK

You have a 1 m aluminium rectangle in the basket at £13.15, and a shop page for the same 30 × 15 × 1.3 mm 6063-T6 section at £2.98 inc VAT per metre.

October 2026Read article
Condensate pipe trace heating: when the run still freezes
Rules7 min read

Condensate pipe trace heating: when the run still freezes

The heating stops on the first hard frost, the radiators stay cold, and the plastic pipe that leaves the boiler through the outside wall is solid with

October 2026Read article
Copper pipe size for kitchen tap: match the supply
DIY vs pro7 min read

Copper pipe size for kitchen tap: match the supply

The old mixer is on the drainer, both isolating valves are shut, and the copper under the sink does not look like the figure on the new box. Copper pi

October 2026Read article
How often to check pipe insulation: an autumn check
Maintenance7 min read

How often to check pipe insulation: an autumn check

You lagged the loft pipes the year you moved in, and the foam has sat there since. The first hard night is a poor time to find a split along the slit,

October 2026Read article
Push-fit copper pipe fittings: joint you can reach
DIY vs pro6 min read

Push-fit copper pipe fittings: joint you can reach

The stopcock is off, a bowl is under the cabinet, and the 15 mm copper to the kitchen tap is weeping at a coupling you will not heat with a torch. Pus

October 2026Read article
Lag pipes before winter: match the pipe, then the cold
Maintenance7 min read

Lag pipes before winter: match the pipe, then the cold

The forecast can still say 8°C while the loft is already the coldest part of the house. A 15 mm feed above the quilt, a rising main in an unheated gar

October 2026Read article
MDPE or PVC pipe for garden water: which to bury
Comparison7 min read

MDPE or PVC pipe for garden water: which to bury

You have marked a line from the outside tap to the greenhouse, and the trench is still a string across the lawn. In the cart sit a blue coil, a black

October 2026Read article
Push fit or solvent weld waste pipe: which joint
Comparison7 min read

Push fit or solvent weld waste pipe: which joint

The basin is off the brackets, the trap is in the bucket, and the stub in the wall still says 40 mm. The pipe you bought says 40 mm as well. You line

October 2026Read article
Goods not as described Consumer Rights Act: your tube
Rules7 min read

Goods not as described Consumer Rights Act: your tube

The metre you ordered was a hollow aluminium section, and the piece on the bench is the wrong shape, the wrong size, or too light to be the bar in the

October 2026Read article
Underground drainage pipe fall: 1:40 in millimetres
Rules7 min read

Underground drainage pipe fall: 1:40 in millimetres

You have a short run of foul drain to lay from a gully across the garden, the 110 mm pipe is still in its wrap, and the trench bed looks almost level.

October 2026Read article