+48 500 409 109

Insulating a loft to limit thermal bridging and moisture

The decisive question is whether the loft will be used as living space or remains unheated – this determines where the insulation boundary should run. Readers should check the continuity of the thermal layer, how PIR boards are fixed, and the airtightness of junctions at the wall plate and windows. The article helps compare insulation between and above the rafters, and the role of lambda, fire, acoustics and moisture removal. If conversion is planned, the future layout must be considered to avoid paying for a solution that later needs rebuilding.

By |2026-11-14T19:22:23+01:002026-07-03|Building guide|Comments Off on Insulating a loft to limit thermal bridging and moisture
Read More

Which building technologies can reduce costs on a modern project?

The choice of technology depends above all on matching the goal of a specific building, not on the novelty of the product itself. Check whether prefabrication, sandwich panels or the selected insulation actually solve the stated problem rather than adding cost. Before ordering, define the aim, such as a thinner roof or fewer wet trades, and compare options against the same requirements. Verify thermal parameters, span, fire properties and the method of installation. Often a greater change comes from better-prepared details than from an unfamiliar covering.

By |2026-11-14T16:08:20+01:002026-07-01|Building guide|Comments Off on Which building technologies can reduce costs on a modern project?
Read More

When does sheet metal make sense for a façade?

Metal cladding on a façade is worth considering if you want a durable and distinctive finish with low cladding weight. Before deciding, check that the design covers the supporting frame, drainage and connections, and that the cladding itself is not expected to replace wall insulation. Compare profiles and the way sheets are joined, as well as whether cladding could be used on just a selected part of the façade. Remember that the final selection is for the designer to make.

By |2026-11-14T19:21:21+01:002026-06-30|Building guide|Comments Off on When does sheet metal make sense for a façade?
Read More

Keeping differently oriented solar roof slopes visually consistent

Roof slopes facing different directions do not need to have the same number of modules for the roof to look consistent. An integrated steel system allows active fields to be combined with passive cladding. This means the choice of energy-producing surface can be based on solar exposure and the home's needs. The architecture retains a shared rhythm. It is worth designing the whole from the outset, however, rather than selecting the appearance of each side of the building separately. Orientation, pitch and shading affect the amount of light reaching the surface. The time of production during the day also differs. Therefore, two sides of a house with a similar area do not need to have the same energy value. They should be assessed separately and the results then combined into the design of the whole installation.

By |2026-11-15T17:56:01+01:002026-06-30|Building guide|Comments Off on Keeping differently oriented solar roof slopes visually consistent
Read More

How do you calculate the number of screws for insulated panels?

The number of screws for insulated panels is not determined by a single fixed standard per square metre. Fixings depend on loads, supports, panel type and position on the building. Structural fasteners, stitching fasteners and fasteners for flashings are calculated separately. First, the fixing pattern must be established. Only on that basis can a correct quantity schedule for purchasing be prepared. Two walls of the same area may require a different number of fixings. They differ in height, support layout and wind action. On the roof, the geometry of the roof slope and the edge zones also matter. A single average number does not show where the fasteners should be located.

By |2026-11-14T12:17:25+01:002026-06-29|Building guide|Comments Off on How do you calculate the number of screws for insulated panels?
Read More

Steel or PVC gutters: which system suits your roof?

First decide whether stiffness and a match with metal roofing matter more, or lightness and freedom from corrosion of a metal core — only then compare materials. Check that the gutter will collect water from its assigned roof area and that the downpipe will carry it away safely; with a long eaves line or concentrated runoff, a different layout may prove necessary than on a small rectangular roof. A larger cross-section alone will not fix poorly planned outlets. Compare complete sets with pipes and accessories, not the price of the gutter alone.

By |2026-11-14T19:20:36+01:002026-06-23|Building guide|Comments Off on Steel or PVC gutters: which system suits your roof?
Read More

Removing moss from tile-effect metal roofing without damaging the coating

Begin by establishing which coating covers the metal roof tiles and what condition it is in, since this determines the permissible cleaning method. Check whether the green deposit is moss, algae or another biological growth, and where it concentrates — in depressions, around flashings or in shade, where the roof slope dries more slowly. Inspect the water drainage and remove loose leaves and twigs before washing. When choosing a method and product, follow the coating instructions; leave design decisions to the designer.

By |2026-11-14T19:22:03+01:002026-06-22|Building guide|Comments Off on Removing moss from tile-effect metal roofing without damaging the coating
Read More

Choosing a metal fence colour to suit the façade

The fence colour is best chosen with reference to the actual façade. A small sample on a white screen does not show the full composition. Metal fence pickets stand in front of the house, cast shadows and reveal the background through the gaps. Therefore the same shade can look different on different properties. The selection should be based on a few simple steps. First determine the role of the fence, then choose the colour relationship, and finally compare real samples in appropriate light. A dark infill against a light wall creates a clear contrast. Similar shades can produce a calmer division. There is no single better answer. It depends on whether the fence is to be a strong element of the frontage or a discreet boundary. It is worth recording this decision before viewing the whole palette. This limits the choice of random colours that appeal only in isolation.

By |2026-11-15T17:54:18+01:002026-06-13|Building guide|Comments Off on Choosing a metal fence colour to suit the façade
Read More

Which colour of trapezoidal steel sheet should you choose and what should you check beyond the swatch?

The colour of trapezoidal steel sheet should be chosen together with the coating, texture and the way the building is used. The RAL number helps to indicate the shade but does not describe the gloss level or the resistance of the surface. A matt graphite may look different from a gloss graphite, even though both have the same number. Before ordering, check a real sample, the compatibility of flashings and the availability of the whole batch. On a roof, the behaviour of the coating in a specific environment also matters. The shade number makes communication between the investor, the seller and the contractor easier. It does not constitute a full specification of the surface. Two steel sheets of the same colour may differ in texture, degree of gloss and type of paint. The difference is often particularly visible on adjacent sheets or flashings.

By |2026-11-14T09:56:18+01:002026-06-02|Building guide|Comments Off on Which colour of trapezoidal steel sheet should you choose and what should you check beyond the swatch?
Read More

Roofing underlays: what they do and how to select one

Choosing a roof membrane is not about picking the thickest roll, but about matching its parameters to the specific roof build-up. Check where the membrane will sit, its Sd value, how watertightness and durability are declared, and whether the manufacturer specifies a permitted UV exposure time. Also compare the requirements for tapes and joints. Grammage alone or the word ‘breathable’ is not enough, because suitability depends on conformity with the design and installation conditions.

By |2026-11-14T22:55:25+01:002026-05-31|Building guide|Comments Off on Roofing underlays: what they do and how to select one
Read More
Back to top