Other products and services
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Apart from the mentioned branded products offered by Alternativa Ltd to its customers, there are also other goods necessary for successful and quality roofing or cladding.

Roofing Felt

All profiled sheets can have roofing felt on their lower side, which serves the purpose of protecting the sheets and roof structure against condensation in the cases of single layered roofing, and when there is no possibility to install vapor-proof or waterproof foil. Roofing felt provides very good absorption of water (from the minimum of 700 to 900 gr/m2), adhesion to the sheets, absorption of noise, thermal insulation, and resistance to bacteria.

Roof Foil

The roof foil is installed on a boarded roof and before battens are placed. Its function is to permit the passage of vapor created in the attic insulation, without allowing water to go through its upper side. It should be an obligatory part of every roof, regardless of the type of roofing.

Roof Windows

We also offer roof windows of all dimensions and with flashings in desired colors. The window apertures can be rotated 180º, which facilitates cleaning of windows on their upper sides. Appropriate blinds can be delivered with the roof windows. The windows have a five-year warranty.

Polyester Trapezoidal Sheet

For trapezoidal roofing sheets, and for thermal insulation panels, we can also deliver a 10-mm polyester trapezoidal panel, which has the function of providing daylight for the inside of a building.

Polyurethane Sealant

We recommend the use of the polyurethane adhesive system Sikaflex, which is a proven excellent solution. The basic characteristics of this product are its durability, elasticity and hardness. As opposed to silicone, birds do not destroy Sikaflex sealant.

Corrective Spray

Any possible damages to the sheets, or places where sheets are cut, need to be protected with a corrective spray on the spot.

Magnetic Extension

The optimal way to fasten roofing screws is to use an accu-driller with a magnetic extension.