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What does 100 metres of sheet metal in an order mean and how do you convert the price?

The phrase '100 metres of sheet metal' does not yet specify the quantity of covering. It may mean linear metres of sheets or square metres calculated in two ways. The difference affects the price and the number of runs on the roof. First establish the unit and the width of the specific profile. Then convert full sheets, accessories and delivery into one common scope. A linear metre describes the length of a sheet at its fixed width. A total square metre takes into account the full width of the sheet. An effective square metre results from the coverage width after the specified side lap is made. This is not always the area of the finished roof, because cuts and possible transverse joints remain.

By |2026-11-14T12:53:43+01:002025-12-23|Knowledge base|Comments Off on What does 100 metres of sheet metal in an order mean and how do you convert the price?
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How to prepare for a safe roof replacement

Before ordering new covering, assess the old roof and its trusses. Establish where leaks originate, and check the timber and connections. Bear in mind that some defects may stay hidden until removal, so allow for extending the works. Lightweight metal sheeting makes renovation easier but will not repair a damaged structure. Before work, provide safe access, fall protection and protection of the building from rain. Plan deliveries, waste space and inspection of details.

By |2026-11-14T20:12:18+01:002025-11-28|Knowledge base|Comments Off on How to prepare for a safe roof replacement
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Roof flashings: what they do and where they are needed

Roof flashings safeguard the edges and junctions of the covering, channelling water away so it cannot get beneath the roof. They include eaves strips, bargeboards, valleys and components around the chimney, matched to the slope and sheet metal. Though sometimes decorative, their shape, laps and fixing determine tightness. The sheet alone is insufficient at terminations, openings and bends – flashing sets a controlled drainage path, even in wind-driven rain.

By |2026-11-14T20:13:42+01:002025-11-26|Knowledge base|Comments Off on Roof flashings: what they do and where they are needed
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How to assess second-grade steel sheet for its intended use

The designation “second grade” does not in itself say what is wrong with the sheet metal. It may concern appearance, format or another characteristic of a specific batch. Before buying, you need to know the reason for the classification and inspect the material. Only then can you assess whether it is suitable for a roof, façade or cladding. A lower price does not replace the information needed for such a decision. Ask for a description of the actual difference compared with full-value material. An assurance that the defect is minor is not enough. What matters is where it occurs and what it concerns. A difference in shade has a different consequence from a damaged edge, a distorted trapezoidal profile or a break in the continuity of the surface protection. It must not be assumed that every discounted sheet has only an aesthetic defect.

By |2026-11-14T16:50:04+01:002025-11-26|Knowledge base|Comments Off on How to assess second-grade steel sheet for its intended use
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Roof covering options and the differences that matter

First establish whether a given covering suits the roof at all, and only then compare its appearance and the cost of the whole solution. Check the pitch and the method of water drainage, because a material intended for a steep roof cannot always be used on a nearly flat slope. The minimum fall follows from the product documentation and may depend on longitudinal joints, skylights and other details. Also examine the loads, the type of support and the fire, thermal and acoustic requirements. Once these conditions are clear, the list of sensible coverings quickly narrows.

By |2026-11-14T20:13:40+01:002025-11-11|Knowledge base|Comments Off on Roof covering options and the differences that matter
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T18 trapezoidal steel sheet as a soffit: what to check at the eaves

T18 trapezoidal sheet may work under the eaves, but it is not an automatic replacement for a complete soffit system. Before choosing it, check the geometry, thickness and manufacturer's guidance for the specific product, as well as compatibility with trims and strips. Planning the support frame, edges and ventilation is also essential, since a full sheet does not function as a ventilation panel. The decision depends on the eaves width and layer arrangement, not just the profile name.

By |2026-11-14T23:56:48+01:002025-10-26|Knowledge base|Comments Off on T18 trapezoidal steel sheet as a soffit: what to check at the eaves
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Choosing flashings before the roof sheets go on

Flashings close edges and transitions, but above all they guide water. It is worth preparing their list together with the cutting plan for the covering. The length of the roof edge is not yet the number of finished elements. Allowance must be made for laps, separate sections, bends and the installation sequence. Some flashings must be in place before the sheet metal. Mark all eaves, gable edges, ridges and corners. Separately mark roof valleys, chimneys, walls and service penetrations. Each of these lines or obstacles needs its own solution. Not every roof slope has a roof valley, and a mono-pitch roof does not have the same ridge as a duo-pitch roof. The list should correspond to the actual roof form.

By |2026-11-14T10:36:40+01:002025-10-23|Knowledge base|Comments Off on Choosing flashings before the roof sheets go on
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Which roofing materials give a roof a modern appearance?

A modern roof look depends above all on a coherent building form, well-proportioned roof slopes and high-quality details, not on choosing the most fashionable covering pattern. It is worth assessing the whole building, not just a sample of the material. Check whether the profile and colour suit the façade and the windows and doors, whether the layout of the modules and flashings brings order to the roof slope, and whether the technical solutions ensure tightness and durability. If you are installing photovoltaics, decide the panel layout before the roof is built. Also compare the cost of the complete system, including flashings, fixings and installation.

By |2026-11-14T20:14:19+01:002025-10-01|Knowledge base|Comments Off on Which roofing materials give a roof a modern appearance?
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How to choose a practical roofing course

Choose a course where you will lay a section of covering and form a detail yourself, not merely watch a finished roof. Check how much time you spend at the workstation and how many people share one roof model. The programme should combine understanding the roof as a layered system with practice: water flow, ventilation and critical junctions. Also ask about training materials, tools and the instructor's assessment of your work. Training organises skills but does not replace design or site experience.

By |2026-11-14T16:51:07+01:002025-09-14|Knowledge base|Comments Off on How to choose a practical roofing course
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How to prepare a metal roof for painting

Painting a metal roof makes sense only when the covering is technically sound, not when it is meant to replace a repair. Before choosing a renovation system, assess the continuity of the sheeting and the stability of its fixing, identify corrosion and check the adhesion of the old coating. Flashings, fasteners and the layers beneath the sheeting also need assessment, because a leaking detail will remain the cause of the leak. Establish which areas need cleaning, preparation or replacement, and compare this with the purchase documentation for the material. Where the old finish is unknown, an adhesion test on a small area settles more than general assumptions.

By |2026-11-14T20:13:58+01:002025-09-12|Knowledge base|Comments Off on How to prepare a metal roof for painting
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