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How to assess the environmental impact of a metal roof

A metal roof can be a sensible environmental choice if it is well specified, durable and uses material sparingly. When assessing an EPD, the first thing to check is whether the declared unit and material variant match the actual roof build-up, not just the thin sheet. It is equally important to establish which life-cycle stages the calculations include. Only on that basis can solutions with the same function be compared, bearing in mind that heat loss depends on the whole assembly rather than the covering alone.

By |2026-11-14T18:53:53+01:002022-02-06|Technology and applications|Comments Off on How to assess the environmental impact of a metal roof
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What to include on a drawing for a made-to-order flashing

An elaborate graphic design is not always needed to order a non-standard flashing. What is needed, however, is unambiguous data. A clear cross-section with dimensions and a material description is more useful than an attractive view without scale. It is worth preparing such a drawing in a consistent layout. It makes quoting, confirming bending feasibility and later acceptance of the components easier. The drawing should show the shape after bending. Each leg is given a dimension, and bends requiring a specific angle are described. No part should be left as more or less horizontal. The person preparing production must know what result is to be achieved.

By |2026-11-15T02:37:03+01:002022-01-20|Technology and applications|Comments Off on What to include on a drawing for a made-to-order flashing
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Measuring the eaves before ordering gutter aprons

Measuring the eaves should show not only their length but also the space between the covering and the gutter. Gutter aprons must fit this cross-section and direct water in the intended direction. When ordering, it is worth separating straight sections, corners and ends. An accurate sketch makes quoting easier and reduces the number of reworks. It is also needed when we plan to use a popular catalogue profile. Before measuring, the type of covering and the method of fixing the gutter must be established. Its position relative to the end of the roof slope is important. The gutter apron should correspond to the arrangement that will actually be installed. A measurement taken before changing the gutter may become outdated.

By |2026-11-15T02:36:42+01:002022-01-02|Technology and applications|Comments Off on Measuring the eaves before ordering gutter aprons
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Buying PIR for renovation: measurements, opening-up inspections and fitting costs

In a renovation, the price of the board is only part of the expense. Repairs to the substrate, dismantling and fitting of flashings may be needed. PIR boards are worth ordering after measurements and after identifying the existing layers. This allows their small thickness to be used where it actually helps. PIR boards may look similar yet have different facings, strength and intended use. Before purchase, a current technical data sheet, declaration of performance and installation instructions are needed. A variant from an old project may not correspond to today's range. The order should specify the current product and the documents relating to its manufacture. An archived project may feature a product with a changed name or construction.

By |2026-11-16T00:09:57+01:002021-12-18|Technology and applications|Comments Off on Buying PIR for renovation: measurements, opening-up inspections and fitting costs
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