Knowledge base

Knowledge base
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ArticleA roof with a vision – green solutions for investments
Green roofs in modern construction are not a passing trend, but a real market need driven by climate, urbanisation and regulatory challenges. They are a key element of sustainable development strategies, not only distinguishing investments on the market, but also having a real impact on their value and functionality. It is a space where ecology meets long-term safety and technical durability.
ArticleThe unsung hero of the roof – NEXLER NOx Cut
Growing social expectations and stricter environmental regulations are changing the face of the construction sector. Today, responsibility for the environment and the health of users is becoming an important part of the investment process. Modern construction is increasingly turning to solutions that not only reduce carbon footprint and energy consumption, but also improve quality of life.

12.02.2026
Repair of local damage to roofing felt – NEXLER Arbolex Aqua Stop

12.02.2026
Bonding shingles using NEXLER Arbolex Aqua Stop roofing sealant

12.02.2026
Bonding shingles using NEXLER Adhesive for roofing felt and shingles

12.02.2026
Water removal from the surface of NEXLER underlay felt (film-film type)
ArticleWhy is it worth priming the substrate before welding bituminous felt?
A roof that leaks after two seasons? Complaints, lost customer trust – something every roofer wants to avoid. That is why proper substrate preparation, including priming, is not a detail, but the foundation of durable and trouble-free roofing. Although it may seem like a mere ‘formality’, in practice, priming has a huge impact on the durability, safety and effectiveness of the entire waterproofing system. In this article, we explain briefly and concisely why priming is not an option but a necessity.

Extensive or intensive green roof? Find out which one to choose
Green patios on underground garage slabs are becoming increasingly popular.

Waterproofing foundations in a single-family home
Foundation waterproofing is a key stage in the construction of a single-family home, which determines the durability and functionality of the building.
ArticleNEXLER BITFLEX System for Foundation Waterproofing
Foundations are the cornerstone of any building, channelling its weight to the ground and ensuring structural integrity. For building longevity, robust protection against moisture and groundwater is absolutely essential.
Other articles and videos that may interest you
ArticleMaterials, selection, execution – foundation waterproofing (part 4)
The fourth part of our series: foundation waterproofing details, watertight joints and plinths, comparing bituminous membranes with synthetic foils, and practical installation tips.
ArticleA roof with a vision – green solutions for investments
Green roofs in modern construction are not a passing trend, but a real market need driven by climate, urbanisation and regulatory challenges. They are a key element of sustainable development strategies, not only distinguishing investments on the market, but also having a real impact on their value and functionality. It is a space where ecology meets long-term safety and technical durability.
ArticleRenovation of flat roofs – how to effectively restore the tightness and durability of the roofing?
Flat roofs, compared to other types of roofs, require more frequent renovation. Reinforced concrete structures with a slight slope (from 2% to 15%) covered with bituminous felt usually need periodic refurbishment or local repairs. The use of modern bituminous materials for this purpose is one of the most practical and economical solutions.
ArticleMaterials, selection, execution – foundation waterproofing (part 3)
Foundation waterproofing with bituminous membranes: key details, documentation requirements, and inspection practices – the essential principles for durable and watertight execution.
ArticleThe unsung hero of the roof – NEXLER NOx Cut
Growing social expectations and stricter environmental regulations are changing the face of the construction sector. Today, responsibility for the environment and the health of users is becoming an important part of the investment process. Modern construction is increasingly turning to solutions that not only reduce carbon footprint and energy consumption, but also improve quality of life.
ArticleMaterials, selection, execution – foundation waterproofing (part 2)
The second part of our foundation waterproofing series: which membrane parameters determine effective insulation and how to consciously select bituminous sheets for long-term structural protection.
