Placa izolatoare monostrat din fibre lemnoase GUTEX Thermoroom

Limba: Engleza

267 afisari

Tip documentatie: Catalog, brosura

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Interior Insulation of Exterior Walls GUTEX Thermoroom® N AT U R A L LY M A D E F RO M W O O D Table of Contents A Performance-Tested Insulation System Important Considerations NEW: GUTEX Flankendämmkeil Planning the Insulation of Corner Junctions Installing the Insulation Boards Plaster Work Installing over Wood Structures Installation Details 3 4 5 6 8 9 10 11 –2– Scientifically Tested GUTEX Thermoroom Interior Insulation System GUTEX Thermoroom possesses all the qualities necessary for optimum interior insulation: Introduction Interior insulation is a consideration particularly for buildings for which exterior insulation is not possible or ill advised due to the historical significance or listing of the building. ✓ Insulation against the cold in winter Thanks to its minimum thermal conductivity (λ=0.038 W/mK), it creates warmer wall and ceiling surfaces for improved indoor comfort. The advantages offered by interior insulation include the absence of scaf

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folding, insusceptibility of work to weather and the possibility to retrofit buildings gradually, one space, room or apartment at a time. ✓ Diffusion-open wood composition with a µ-value of 3 Without diminishing the quality of the interior environment or performance of the insulation, GUTEX Thermoroom's wood fibre construction facilitates the transfer of moisture between the walls and interior spaces. ✓ Active capillary action Wood fibre also is conducive to the movement of liquid water, causing any condensation that occurs between the original wall and interior insulation to move away and spread throughout the board's entire cross section. You are welcome to view the test report (U628), which is available at www.gutex.de (Downloads->Approvals/Certificates->Test Reports). Still another reason to install insulation on interior walls is to raise the interior surface temperature of the walls. This prevents condensation and subsequent mould and mildew whilst improving the thermal co

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mfort of the space. It is especially suggested for rooms and spaces that see only intermittent use, such as holiday rental properties and apartments, banquet halls, community centres, etc., because it allows these spaces to reach a comfortable temperature very quickly. Advantages offered by GUTEX Thermoroom – Quick and easy installation via adhesion to the substrate boarding. Mechanical fasteners are not necessary. – Active capillary action – Verified optimum performance as insulation over interior sides of exterior walls – Superior impact resistance with higher thermal insulation performance (thermal conductivity is 0.038 W/mK) A delicate balance of physical factors Interior insulation completely changes the physical character and behaviour of exterior walls. Diffusion, capillary action, moisture and surface temperature are all properties and factors whose interaction must properly match and work together to produce a properly functioning system. Aware of the delicatenes

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s of this balance, GUTEX collaborated with the Fraunhoferinstitut in Braunschweig, Germany (WKI) to research the complex subject of interior insulation. GUTEX Thermoroom, GUTEX’s new insulation board, is designed to meet the performance requirements based on the findings. – Reduction of thermal bridging due to the uninterrupted full coverage of the insulation – Saves energy and money thanks to protection against heat and cold throughout the entire building element or space. – Also improves acoustic insulation – Optimises the indoor environment due to its humidity regulating function – Wood is a sustainable, recyclable natural resource. – Made in Germany – Biologically safe (natureplus© certified) –3– Important Considerations Existing walls & GUTEX Thermoroom Capillary Action of Existing Wall Very minimum Wood perpendicular to direction of fibre, hydrophobized wood materials, exterior render, several types of natural stone Intense Wood with lengthwise

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structure, mineral plaster, sand-lime brick, brick masonry Very intense Diffusion permeability GUTEX Thermorooms‘ diffusion capacity makes it an ideal insulation for interior use. It absorbs moisture that occurs as vapour in nearly every building element and distributes it throughout its entire volume from where it dissipates in every direction. Plaster with synthetic resin, highly hydrophobized composite wood products and other highly hydrophobized materials Minimum to moderate To ensure the building is not damaged by the retrofitting of outer walls with interior insulation, the existing situation and status of the building must be evaluated prior to beginning with the planning. Key factors are diffusion permeability, capillary action and the insulation performance of the wall elements (U-value). Suitable action to prevent the outer wall from becoming damp due to driving rain and rising damp must be taken prior to beginning with refurbishment work. Material Non-hydrophobized

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porous concrete, brick masonry, clay Getting started with your interior wall insulation: 1. ssessment of current status A • General information about the building • Existing layers of building materials; dimensions and surface/substrate qualities/condition • General condition of the affected structure and the entire building • Dampness of the structure (susceptibility to driving rain, other moisture issues, rising damp, etc.) • Other negative influences on interior climate • Thermal bridges Regulating indoor humidity The equilibrium moisture content of untreated wood adjusts automatically with changes in the relative humidity and temperature of its immediate surroundings. For example, at 23° C and 50 % relative humidity, the moisture content is between 8-10 %. Wood fibreboard has the capability to absorb up to 20 % of its own weight in moisture and release it without significant loss in its ability to insulate. Excess humidity produced by cooking, shower

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s, baths or washing is absorbed and retained until the air is dryer when it is then released back into the indoor space. This capacity is very beneficial and produces a pleasant balanced living environment. 2. ext, determine the specific requirements of the developer N and applicable standards and codes, incorporating them into the plans, including: • Achievement of the minimum thermal insulation to ensure the suitable hygienic quality of the space • Improvement in the thermal insulation • Compliance with applicable energy-efficiency standards Capillary action of different materials GUTEX Thermoroom may be used for existing outer walls that exhibit little to significant capillary action in the first 2-4 cm of their interior sides. The capillary action is critical to the distribution of moisture throughout the construction. 3. rawing up the plans D • Give sufficient consideration to the surface temperature in critical areas • Plans must give suitable

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consideration to avoiding potential thermal bridges. • Specific design details for junctions 4. recise implementation of the plans by suitably qualified P tradesmen –4– NEW: GUTEX Flankendämmkeil An example The following simulated thermal images show building sections both with and without the corner insulation wedges. By adhering to several important principles, mould and mildew, which occur with the presence of high humidity or low temperatures, can be easily avoided. Corner junctions of exterior walls with ceilings and interior walls In Germany, the DIN 4108-2 standard for the insulation of buildings specifies interior surface temperatures of greater than 12.6° C to avoid condensation and thereby prevent mould and mildew. To maintain 12.6° C across all the interior surfaces, extra attention must be given to a building's weak points, which are namely the corners formed by the junction of exterior walls, interior walls and ceilings. Until recently, interior wal

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l insulation was added to the entire wall or the thickness of the insulation increased to alleviate this problem. Now, GUTEX offers a new corner insulation wedge, which is an additional component for use with its Thermoroom system. Named GUTEX Flankendämmkeil, the new product significantly eases the work of painters, plasterers and interior decorators. Like nearly all of GUTEX's single-ply homogeneous insulation boards, it installs easily with GUTEX Klebe- und Spachtelputz, an adhesive mortar. Next, various diffusion-open plaster finishes may be applied to the boards. The insulation wedges install on the ceiling or walls after the interior insulation is installed, and are then plastered and painted or covered with a suitable wall covering. Figure 1: Junction of an exterior wall and interior wall without the insulation wedge. The temperature in the critical area is 11.3° C -- too cool to prevent mould and mildew. Figure 2: Junction of an exterior wall and interior wall fitted with t

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he GUTEX Flankendämmkeil. The temperature in the corner is 15.8° C -well within the 12.6° C limit that is necessary to prevent the growth of mould and mildew. GUTEX Flankendämmkeil –5– Planning the Insulation of Corner Junctions When is it necessary to insulate corner Detail Innendämmung Anschluss AW-IW junctions? Situation 2: Junction between masonry interior walls and masonry exterior walls, with timber stud The following tables will help you determine if it is necessary to insulate corner junctions. Based on the building substance of the structures and their respective thermal conductivity properties, the approximate U-values of walls can be determined using the tables below. Use the U-values for the exterior and interior walls in the tables at the bottom of the page to determine if corner insulation is necessary. Junction of interior and exterior walls U-Value of Exterior Wall (W/m2K) Thermal Conductivity (W/mK) for U-Value of Exterior Wall (W/m2K) Masonry Thicknes

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s (in cm) 24 30 36 1.10 1.30 1.60 0.75 0.95 1.10 0.50 0.65 0.75 0.30 0.40 0.45 ≥ 2.5 2.5 > U ≥ 2.0 2.0 > U ≥ 1.5 1.5 > U ≥ 1.0 ≥ 3.5 3.5 > U ≥ 3.0 3.0 > U ≥ 2.5 2.5 > U ≥ 2.0 2.0 > U ≥ 1.5 U-Value of Interior Wall (W/m2K) 3.5 > U 3.0 > U 2.5 > U 2.0 > U ≥ 3.0 ≥ 2.5 ≥ 2.0 ≥ 1.5 If THK* If THK* If THK* less than less than less than 80 mm 80 mm 80 mm 100 mm 100 mm If THK* If THK* If THK* If THK* If THK* 2.5 > U ≥ 2.0 less than less than less than less than less than 80 mm 60 mm 60 mm 80 mm 60 mm If THK* If THK* If THK* If THK* If THK* 2.0 > U ≥ 1.5 less than less than less than less than less than 60 mm 60 mm 60 mm 60 mm 60 mm 1.5 > U ≥ 1.0 Never Never Never Never Never ≥ 2.5 Table 1 U-Value of Interior Wall (W/m2K) ≥ 3.5 Thermal Conductivity (W/mK) for Masonry Thickness (in cm) 12 17.5 24 1.10 1.60 2.10 0.75 1.10 1.50 0.55 0.76 1.05 0.38 0.55 0.75 0.25 0.35 0.50 Detail Innendämmung If THK* If THK* less than less Anschluss AW-IW than *THK is

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the abbreviation used here for insulation thickness. Table 4 Hinweis: Dieses Detail ist ein allgemeiner Planungsvorschlag, welcher schematisch die Ausführung eines WDVS darstellt. Anwendbarkeit und Vollständigkeit sind vom Verarbeiter/Kunden beim jeweiligen Bauvorhaben eigenverantwortlich zu prüfen. Angrenzende Gewerke sind nur schematisch. Alle Vorgaben und Annahmen sind auf die örtlichen gegebenheiten anzupassen bzw. abzustimmen. Die jeweiligen technischen Vorgaben in den Merkblättern und Systemzulassungen sind zu beachten. Table 2 Detail Innendämmung Anschluss AW-IW Situation 1: Junction of masonry interior walls and masonry exterior walls U-Value of Exterior Wall (W/m2K) Situation 3: Masonry interior walls and masonry exterior walls, with junction between 2 timber studs U-Value of Interior Wall (W/m2K) ≥ 3.5 3.5 > U 3.0 > U 2.5 > U 2.0 > U ≥ 3.0 ≥ 2.5 ≥ 2.0 ≥ 1.5 U-Value of Exterior Wall (W/m2K) Hinweis: Dieses Detail ist ein allgemeiner Planungsvorschlag,