BFS MERKBLATT 21 PDF

[13] epD‐BfS‐ () Environmental Product [21] Schweizerischer ingenieur‐ und Architektenverein (SiA). () Merkblatt energieausweis für Gebäude gemäß Sn en und Sn en zurich. [22] Schweizerischer . Flash point: > 21° C „Beschichtung auf Zink und verzinktem Stahl“ from Bundesausschuss Farbe und Sachwertschutz (BFS) according to Merkblatt 5 of BFS. Flash point: > 21° C. Solid substance: approx. 55% Zinc and galvanized surfaces are to be prepared according to Merkblatt 5 of. BFS. Clean the surfaces to be painted and remove dirt of all kinds, including dust, mortar droppings, and similar.

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Provides clean facades due to a unique combination of modern alkali silicate glass with integrated Nano-Quartz Matrix Structure.

Check tinted product before applying to avoid colour differences. Always use tinted paint of same batch, when applying on seamless surfaces.

It is therefore advisable to apply a first coat in a similar hiding pastel tint, based on white. Possibly a second finishing coat may be necessary. Provide for an evenly absorbent substrate to achieve uniform surfaces without shade variations.

Weathered spray and scratch renders: To avoid lapping overlap marksthe product should be applied wet-on-wet and without interruption by a sufficient number of hands on the job. Self-tinted product should be prepared in advance and thoroughly mixed in order to avoid noticeable colour differences. Clean existing renders by suitable wet cleaning method. Maximum temperature for high pressure water jet: Allow to dry thoroughly. Adverse weather conditions, influenced e.

Clean soiled surfaces manually or mechanically, e. Allow wet cleaned surfaces to dry thoroughly before any further treatment. Clean soiled substrates and algae infested surfaces carefully by water-jet using low pressure, in compliance with the regulations. Use a cleaning agent, if necessary. Do not clean by mechanical means.

Clean by dry wire brushing followed by full surface cleaning with a high-pressure water jet, in compliance with the regulations. Mortars used for surface repairs and filling cracks should match the existing render in strength and texture.

Repair patches must be allowed to set and dry thoroughly before the application of any paint. Rinse all repaired areas thoroughly. Where repairs cover relatively large areas, the use of fluosilicate followed by rinsing should be extended to the full surface of existing and new renders.

Existing Coats of Mineral and Silicate Paint: Clean stable, adherent coats dry or wet. Remove unstable, weathered, poorly adherent coats of mineral paint sand off, abrade or cauterise and rinse the full surface thoroughly.

Remove all soiling and clean slightly chalking surfaces thoroughly by high-pressure water jet or other suitable means, in compliance with the regulations. Remove thoroughly by suitable means, e. Non-absorbent substrates, treated with paint stripper: Highly absorbent substrates, treated with paint stripper: Only frost-resistant bricks, free of inclusions, e. Remove salty efflorescence by dry wire brushing.

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All joints connections of roof, windows and floors must comply with current specification for the use of sand-lime bricks. Remove thoroughly by wet-blasting, in compliance with the regulations, then use Capatox or FungiGrund. Treatment of Natural Stones: Natural stones must be solid, dry and free of any efflorescence.

Natural stones should not be repaired with render mortar but with suitable stone substitute materials. Rising damp will cause a prematurely deterioration of coatings.

Only the application of a cross-sectional insulation is a durable problem solution. Alternatively the application of a restorative render system is a good and prolonged solution e. Especially for old buildings it is advantageous to create “drying zones”, i.

Highly and Unevenly Absorbent Mineral Substrates: Apply one intermediate and one finishing coat of product, diluted to a max. In bfd of moist weather conditions rain, dew, fog yellowish transparent traces of additives, showing a slightly glossy shine and stickiness, may occur on the surface of compact, cool substrates or by merkblatr of delayed drying caused by the weather.

The traces of additives are water-soluble and will disappear under the influence of a sufficient water quantity, e. The quality of the dried coating will not be affected by these changes. In mekrblatt of direct reworking, all traces of additives must be pre-wetted and completely removed after a short reaction time.

ThermoSan NQG

An additional priming coat of CapaGrund Universal merkblart be applied. The traces cannot occur when the product is applied under suitable climatic conditions.

Touching up surfaces is depending on many parameters and may be visible after drying. Thus all relevant copper surfaces must be protected against oxidation. Alternatively our product Histolith SolSilikat can be used. Compatibility with other Paint Products: Use protective tarpaulins for scaffoldings in case of strong wind. Projecting parts of buildings, such as cornices, masonry wall crowns, window-sills, etc. Constant exposure to splashing water is detrimental to the durability of coatings.

A water repellent impregnation with Disboxan Wetterschutz will highly improve the resistance of coatings observe a waiting time of at least 10 days.

Also for recently cleansed stone surfaces a water repellent siloxane impregnation with Disboxan Wetterschutz will provide effective protection from premature growth of algae, aggressive pollutants and exposure to splashing water. Surfaces with Salty Efflorescence: Coating of such surfaces must be considered as a risk for which we cannot accept responsibility, since even after the most merlblatt treatment the efflorescence may recur.

Material Properties Fast-drying after rainfall and when moist with dew. Silicifies trebly in order to reach optimised stability. Highly weather-resistant and non-fading. Mineral matt flat surface. Keep partially used containers tightly closed. Substrate Preparation Provide for an evenly absorbent substrate to achieve uniform surfaces without shade variations. Stir and sieve the paint well before airless application.

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Apply one priming coat of product, diluted to a max. Apply one finishing coat of product, diluted bts a max. On roughly textured surfaces correspondingly more.

Sylitol® NQG

Determine the exact amount of material required by coating a test area on site. Rainproof after 24 hours. Lower temperatures and higher humidity extend the drying time. Tool Cleaning Clean immediately after use with merblatt, adding detergents, if necessary. Note Do not apply on sun heated substrates, during strong wind, fog or rain, high relative humidity or imminent rain and frost.

Use scaffolding-nets, if necessary. Beware of night frost. For slightly inclined surfaces low gradient proper draining has to be provided. Therefore a permanent protection cannot be guaranteed.

Sylitol® NQG: Caparol

For substrate preparation of infested surfaces FungiGrund can be used as priming coat instead of OptiGrund on the thoroughly cleaned and dry surface. Keep out of reach of children.

If swallowed, seek medical advice immediately and show the container or label intestinal bacteria can be affected. Do not empty into drains, water courses or into the ground. Use P2 dust filter for grinding. Due to its potassium silicate content, the reaction of silicate based coatings is highly alkaline. Hence protect skin and eyes from paint. Wash splashes immediately and completely with plenty of clean water. Ensure good ventilation during use and drying.

Do not eat, drink or smoke while using the product. In case of contact with eyes or skin, immediately and thoroughly rinse with water. Clean utensils immediately after use with soap and water. Apply by brush or paint roller only. Keep out of reach from children. Do not allow product to enter drains, waterways or soil.

Do not breathe spray dust. Disposal Materials and all related packaging must be disposed of in a safe way in accordance with the full requirements of the local authorities.

Particular attention should be made to removing wastage from site in compliance with standard construction site procedures. Only completely empty containers should be handed in for recycling. Dispose containers with residues of liquid product via waste collection point accepting old paints and enamels.