VlamShield / VLOEI
Technical product information
VLOEI Technical data sheet
Fibre-reinforced, cement-bound roof coating for additional mineral protective layers on roofs. Reaction to fire: A1 – non-combustible.

- Layer thickness
- 3 mm
- Dry-powder consumption
- ≈ 5.40 kg/m²
- Packaging
- 25 kg / bag
- Coverage · calculated
- ≈ 4.6 m² / bag
Roof position · from top to bottom
- 01PV array with coordinated mounting system
- 02VLOEI · site-applied mineral layer
- 03Prepared mineral-surfaced bituminous waterproofing
- 04Insulation and other roof layers
- 05Loadbearing structure
Schematic position, not an installation drawing. Contact, supports, drainage and wind restraint are designed for the roof.
Product description
VLOEI is a one-component, polymer-modified, mineral-based dry mix. The powder is mixed with water on site and spread over the prepared substrate using a squeegee or trowel.
VLOEI is applied to prepared, mineral-surfaced bituminous roofing membranes. The roof coating is applied directly to the surface, eliminating individual board cutting. Substrate preparation, adhesion checks, uniform mixing and curing form part of the application sequence.
Technical information
| Property | Value |
|---|---|
| Product type | Fibre-reinforced, polymer-modified, cement-bound dry mix |
| Components | One-component powder, mixed with water on site |
| Colour | Grey; shade depends on raw materials |
| Packaging | 25 kg bag |
| Minimum order quantity | 40 bags of 25 kg (1,000 kg) |
| Application method | Squeegee or trowel |
| Primary substrate | Prepared, mineral-surfaced bituminous membrane; suitability assessed individually |
| Layer thickness | 3 mm |
| Dry-powder consumption at 3 mm | Approx. 5.40 kg/m² |
| Coverage per 25 kg bag | Approx. 4.6 m² at 3 mm, without material allowance |
| Mixing water | Approx. 4.0 litres per 25 kg powder |
| Calculated fresh mass | Approx. 6.26 kg/m² including mixing water |
Calculation at 3 mm: 5.40 kg of dry powder per m² plus 0.864 litres of mixing water gives approximately 6.26 kg of fresh mass per m². A 25 kg bag covers approximately 4.6 m² by calculation. Substrate profile, irregularities and application losses affect material demand.
Structural assessment must include the additional loads of the complete solution, including PV, mounting structure and ballast. Account for fresh mass during application.
Application
An additional mineral covering and protective layer on suitable roofs, particularly around photovoltaic installations.
Material basis
VLOEI combines cementitious binders, graded mineral aggregates and fine fillers, glass fibres, and polymer and functional additives.
| Material feature | Function |
|---|---|
| Cementitious and reactive mineral binders | Formation of a solid, continuous mineral layer |
| Graded aggregates and mineral fine fillers | Dense material structure and uniform application |
| Glass-fibre reinforcement | Limiting cracking and improving cohesion |
| Polymer modification | Improving adhesion and mechanical resistance |
| Water-repellent additives | Reducing capillary water absorption |
| Processing aids | Supporting a homogeneous, spreadable mix |
Application sequence
1. Assess the substrate and roof build-up
Check the condition, load capacity and compatibility of the existing waterproofing and the additional roof load. Remove loose material and contaminants that reduce adhesion. Determine the necessary preparation and any primer through adhesion checks.
2. Mix the material
Mix 25 kg of dry product uniformly with approximately 4.0 litres of clean water.
3. Spread the roof coating
Apply VLOEI evenly using a squeegee or trowel at a layer thickness of 3 mm. Check thickness and consumption. Junctions, outlets, penetrations and movement joints require separate detailing.
4. Allow to cure
Protect the fresh layer from adverse weather during curing.
Water exposure and mechanical behaviour
VLOEI provides supplementary surface improvement on existing bitumen. The applied roof coating fills fine surface depressions, microcracks and small gaps. The formulation targets a dense mineral structure and reduced capillary water absorption.
Reaction to fire
VLOEI is classified as a non-combustible material in class A1. This classification describes the reaction to fire of the material.
Delivery and storage
VLOEI is supplied as a dry product in 25 kg bags. The minimum order quantity is 40 bags (1,000 kg). Store the material dry, protected from moisture and in its closed original packaging.
Contact
VlamShield · Product VLOEI
Contact us to coordinate your project and the required delivery quantity.