RO127007A1 - Process and thermo-hydro-insulating system consisting of several layers of bituminous membranes and one layer of polystyrene - Google Patents

Process and thermo-hydro-insulating system consisting of several layers of bituminous membranes and one layer of polystyrene Download PDF

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RO127007A1
RO127007A1 ROA201000627A RO201000627A RO127007A1 RO 127007 A1 RO127007 A1 RO 127007A1 RO A201000627 A ROA201000627 A RO A201000627A RO 201000627 A RO201000627 A RO 201000627A RO 127007 A1 RO127007 A1 RO 127007A1
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membrane
weight
bituminous
layer
thickness
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RO127007B1 (en
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Ioan Titeiu
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Arcon S.R.L.
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Abstract

The invention relates to a thermo-hydro-insulating system consisting of several layers, as follows: a diffusion layer comprising a primer () and a bituminous membrane (), a vapour barrier layer comprising an 1.5...3 mm-thick bituminous membrane () adhesive by thermal activation, based on distillate bitumen additivated with polyolefins and styrene-butadiene-styrene copolymer and adherence additives, with a reinforcement of mineral fiber cloth having a weight of 40...100 g /mor polyester felting having a weight of 100...180 g/m, reinforced or not with glass fiber filaments, a heat insulating layer () made of expanded or extruded polystyrene boards provided on their lower part with some grooves (), on a depth of 1/2...2/3 of the board thickness, which are equally spaced and have various shapes in order to increase the board elasticity and take over the surface curvatures, a lining layer comprising a bituminous membrane identical with the membrane (), and a hydro-insulating layer consisting of a bituminous membrane () with elastic or plastic polymers, self-protected by 30...50% mineral granules consisting of limestone having a weight of 3.5...6 kg/mand a thickness of 2.5...5 mm, of distillate bitumen additivated with polyolefins or elastic and/or plastic polymers having the role of increasing the membrane flexibility at 0...-25°C.

Description

Procedeu si sistem termo-hidroizolant format din mai multe straturi de membrane bituminoase si un strat de polistirenProcess and thermal-waterproofing system consisting of several layers of bituminous membranes and one layer of polystyrene

Invenția se referă la un procedeu și un sistem termo-hidroizolant format din mai multe straturi de masa bituminoasă si un strat de polistiren expandat sau extrudat, destinat lucrărilor de termo-hidroizolare a teraselor si planseelor din beton ,1a lucrările de reabilitare termica si hidrofugare a teraselor si planșeelor de la ultimul nivel, peste structura veche existentă , sau peste o structură nou construită .The invention relates to a process and a thermo-waterproofing system consisting of several layers of bituminous mass and an expanded or extruded polystyrene layer, intended for the thermo-hydro-insulating works of the terraces and concrete floors, 1a the works of thermal rehabilitation and water repellent terraces and floors from the last level, over the existing old structure, or over a newly built structure.

Este cunoscut sistemul termo-hidroizolant de reabilitare termica si hidroizolare a teraselor si a planșeelor, care conține in alcătuirea lui un strat de difuzie, o membrana cu conținut de bitum oxidat , un strat de polistiren extrudat, o șapă de beton de minim 5-6 cm avand rolul de a fixa polistirenul de stratul suport prin lestare si două straturi de membrane bituminoase,It is known the thermo-waterproofing system for thermal and waterproofing of terraces and floors, which contains in its composition a diffusion layer, a membrane with oxidized bitumen content, an extruded polystyrene layer, a concrete layer of minimum 5-6 cm having the role of fixing the polystyrene to the support layer by ballast and two layers of bituminous membranes,

Dezavantajele acestui sistem constau in faptul ca sapa de beton din alcătuirea sistemului mărește incarcarea mecanica a construcției , timpul de execuție , precum si costul ridicat.The disadvantages of this system consist in the fact that the concrete dig in the system's composition increases the mechanical load of the construction, the execution time, as well as the high cost.

Este cunoscut deasemenea sistemul de hidroizolare format dintr-o membrană bituminoasă cu bitum oxidat , peste care se pozeaza un carton bitumat.It is also known the waterproofing system formed by a bituminous membrane with oxidized bitumen, over which a bitumen cardboard can be placed.

La nivelul acoperișului temperatură acestuia ajunge vara la 70-80C, iar in acest caz, membrana din bitum oxidat are dezavantajul că se topește si curge , iar cartonul bitumat îmbătrânește relativ repede, se îmbiba cu apa si putrezește.At the roof level its temperature reaches 70-80C in summer, and in this case, the oxidized bitumen membrane has the disadvantage of melting and flowing, and the bitumen cardboard ages relatively quickly, soaks with water and rots.

Problema tehnica pe care o rezolva invenția, constă in realizarea unui sistem cu funcție multiplă, de termoizolare și de hidrofugare a teraselor si planseelor, iar structura si caracteristicile straturilor asigura lipirea lor fara fixare mecanica sau lestare, sistemul asigurind o durata de viata de 15-20 de ani.The technical problem to be solved by the invention consists in the realization of a system with multiple function, thermal insulation and waterproofing of terraces and floors, and the structure and characteristics of the layers ensure their bonding without mechanical fixing or ballast, the system ensuring a life of 15- 20 years.

Procedeul si sistemul termo-hidroizolant conform invenției, înlătura dezavantajele prin aceea că se realizează un sistem format din mai multe straturi și anume; un strat de difuzie alcătuit dintr-o amorsă si o membrana bituminoasa perforata opțional, un strat de bariera de vapori alcătuit dintr-o membranăThe process and the thermo-insulating system according to the invention, eliminates the disadvantages by creating a system consisting of several layers, namely; a diffusion layer consisting of a primer and an optionally perforated bituminous membrane, a vapor barrier layer consisting of a membrane

O 1 O - O O 6 2 7 - 2 O -07- 2010 bituminoasă adeziva prin activare termica, cu o grosime de 1,5 - 3mm pe bază de bitum distilat aditivat cu poliolefine și/sau polimeri de stiren-butadien-stiren si aditivi de aderenta, având o armătură composită alcătuită dintr-o țesătură minerală din fibra de sticla cu greutate de 40-100 g/m2 sau dintr-o impâslitură de poliester cu greutate de 100 -180 g/m2 armată sau nu cu filamente de fibra de sticlă, un strat de termoizolare alcătuit din niște plăci de polistiren expandat sau extrudat, cu grosimea intre 40-400mm, placi prevăzute la partea inferioara cu niște caneluri de forma dreptunghiulara, trapezoidala sau alta forma, de lățimi cuprinse intre 1-10 mm, cu o adincime a canelurii de 1/2 -2/3 din grosimea plăcii de polistiren, realizate la distante cuprinse intre 50-300mm, in scopul creșterii elasticitatii plăcii si preluării curburii suprafețelor de așezare, un strat de caserare alcătuit dintr-o membrana bituminoasa adeziva prin activare termica, cu o grosime de 1,5 - 3mm pe bază de bitum distilat aditivat cu poliolefine și/sau polimeri de stiren buțadien stiren si aditivi de aderenta, având o armătură alcătuită dintr-o țesătură minerală din fibra de sticla, cu greutate de 40 -100 g/m2 sau dintr-o impâslitură de poliester cu greutate de 100 -180g/m2 armată sau nu cu filamente de fibra de sticlă si un ultim strat de hidroizolare alcătuit din membrană bituminoasă cu polimeri elastici sau plastici,autoprotejată cu granule minerale.O 1 O - OO 6 2 7 - 2 O -07- 2010 bituminous adhesive by thermal activation, with a thickness of 1.5 - 3mm based on distilled bitumen additive with polyolefins and / or styrene-butadiene-styrene polymers and additives of adhesion, having a composite reinforcement made of a mineral fiberglass fabric with a weight of 40-100 g / m 2 or a polyester seam with a weight of 100-180 g / m 2 reinforced or not with filaments fiberglass, a layer of thermal insulation made of expanded or extruded polystyrene plates, with a thickness between 40-400mm, plates provided at the bottom with grooves of rectangular, trapezoidal or other shape, of widths between 1-10 mm , with a groove depth of 1/2 -2/3 of the thickness of the polystyrene plate, made at distances between 50-300mm, in order to increase the elasticity of the plate and to take the curvature of the seating surfaces, a casing layer made up of a membrane bituminous adhesive by thermal activation, with a thickness of 1.5 - 3mm based on distilled bitumen, additive with polyolefins and / or polymers of styrene butadiene styrene and adhesive additives, having a reinforcement made of a mineral fiberglass fabric, with 40-100 g / m 2 or 100-180g / m 2 polyester seam, whether or not reinforced with fiberglass filaments, and a final waterproofing layer made of bituminous membrane with elastic or plastic polymers, self-protected with mineral granules.

Avantajele acestui sistem sunt:The advantages of this system are:

- înlătură fixarea mecanica prin dibluri sau adeziv a polistirenului- removes mechanical fixing by means of dowels or polystyrene adhesive

- reduce incarcarea in greutate a terasei, prin excluderea sapei de beton- reduces the weight load of the terrace, by excluding the concrete scrap

- asigura sistemului termo-hidroizolant o durata de viata de 15-20 de ani- ensures the thermal-waterproofing system a life of 15-20 years

- rezistenta la suctiune foarte mare- very high suction resistance

- reduce costul execuției, precum si durata acesteia- reduces the cost of execution, as well as its duration

- stratul alcătuit din membrana bituminoasa adeziva prin activare termica, are dublu rol de bariera de vapori si de caserare a polistirenului de membrana -asigura coeziunea perfecta intre straturi, sistemul lucrind ca un tot unitar- the layer made up of adhesive bituminous membrane by thermal activation, has a dual role of vapor barrier and breaking of the polystyrene of the membrane - it ensures the perfect cohesion between the layers, the system working as a whole unit

Se da un exemplu de realizare a invenției in legătură cu :An embodiment of the invention is given in connection with:

¢^-2 0 1 0 - 0 0 5 2 7 -2 O -07- 2010¢ ^ -2 0 1 0 - 0 0 5 2 7 -2 O -07- 2010

Fig 1 - care reprezintă secțiune transversala printr-un sistem termohidroizolant aplicat pe o suprafața de lucru .Fig 1 - which represents a cross-section through a thermo-waterproofing system applied on a work surface.

Procedeul si sistemul termo-hidroizolant conform invenției, se realizează prin aplicarea succesiva a straturilor pe suprafața de lucru in felul următor :The process and the thermo-insulating system according to the invention, are realized by successively applying the layers on the work surface in the following way:

Stratul de difuzie care este format din amorsa bituminoasa 1 si membrana de difuzie perforata 2 necesara doar in cazul lucrărilor noi, sau in urma decopertarii totale a izolației vechi, pentru asigurarea aderentei la suprafața de lucru A.The diffusion layer which is made up of bituminous primer 1 and the perforated diffusion membrane 2 required only in the case of new works, or after the total removal of the old insulation, to ensure adherence to the work surface A.

Stratul de bariera de vapori constituit din membrana bituminoasa 3, adeziva prin activare termica, cu o grosime de 1,5 - 3mm, aditivata cu poliolefine, polimeri de stiren-butadien stiren si aditivi de aderenta având o armătură composită alcătuită dintr-o țesătură minerală din fibra de sticla cu greutate de 40 -100 g/m2 sau dintr-o impâslitură de poliester cu greutate de 100 -180 g/m2 armată sau nu cu filamente de fibra de sticlă, care oferă proprietăți excelente de aderenta si elasticitate, permițând alungiri la rupere intre 30 si 50%, durabilitate, rezistenta mecanica si flexibilitate la rece intre -15° si-30°C, cu o impermeabilitate mai mare de 60 kPa , prevăzută la partea inferioara si pe banda de lipire laterala cu o folie siliconata de polipropilenă sau polietilena si pe partea superioara cu o folie de polietilena termofuzibila, prin arderea căreia se realizează topirea superficiala a stratului superior al membranei 3 pana la punctul de imuiere, creând condițiile necesare de aplicare prin presare a stratului de termoizolare, obtinându-se o coeziune perfecta intre plăcile de polistiren expandat 4, membrana 3 si suprafața de lucru.The vapor barrier layer consists of bituminous membrane 3, adhesive by thermal activation, with a thickness of 1.5 - 3mm, additive with polyolefins, styrene-butadiene styrene polymers and adhesive additives having a composite reinforcement made of a mineral fabric. made of glass fiber with a weight of 40-100 g / m 2 or a polyester seam with a weight of 100-180 g / m 2, whether or not reinforced with fiberglass filaments, which offers excellent adhesion and elasticity properties, allowing elongation at break between 30 and 50%, durability, mechanical strength and cold flexibility between -15 ° and -30 ° C, with a waterproofing greater than 60 kPa, provided at the bottom and on the side bonding band with a foil polypropylene or polyethylene silicone and on the upper side with a thermofusible polyethylene foil, by combining the superficial melting of the upper layer of the membrane 3 to the point of softening, creating the necessary conditions of application by pressing of the thermal insulation layer, obtaining a perfect cohesion between the expanded polystyrene plates 4, the membrane 3 and the work surface.

Stratul de termoizolare este format din plăci de polistiren expandat sau extrudat 4, cu grosimea intre 40-400mm, rezistenta la compresiune de min. 100kPa, prevăzute la partea inferioara cu niște caneluri a de forma dreptunghiulara, trapezoidala sau alta forma, de lățimi cuprinse intre 1-10 mm , cu o adâncime a canelurii de 1/2 -2/3 din grosimea plăcii de polistiren, realizate la distante cuprinse intre 50-300mm, in scopul creșterii elasticitatii plăcii si preluării curburii suprafețelor de așezare.The thermal insulation layer is made of expanded or extruded polystyrene plates 4, with a thickness between 40-400mm, compressive strength of min. 100kPa, provided at the bottom with grooves of rectangular, trapezoidal or other shape, of widths between 1-10 mm, with a groove depth of 1/2 -2/3 of the thickness of the polystyrene plate, made at distances between 50-300mm, in order to increase the elasticity of the plate and take over the curvature of the seating surfaces.

(λ- 2 Ο 1 Ο - O O S 2 7 - 2 Ο -07- 2010(λ- 2 Ο 1 Ο - O O S 2 7 - 2 Ο -07- 2010

Stratul de caserare, care este alcătuit din membrana bituminoasa termoadeziva 3 , se aplica prin pozare peste plăcile de polistiren expandat 4.cu suprapunere de 100mm pe zona laterala si de capat. Prin încălzirea stratului superior al membranei 3 cu flacara unui arzator cu gaz, se realizează transferul termic către stratul inferior al membranei 3, se activeaza termic adezivitatea materialului in contact direct cu placa de polistiren expandat 4, realizând cașerarea plăcilor cu membrana bituminoasa 3, in același timp prin încălzirea stratului superior pana la punctul de înmuiere, se realizează si lipirea de stratul hidroizolant format din membrana bituminoasa 5 autoprotejată cu granule minerale.The coating layer, which is made of the thermo-adhesive bituminous membrane 3, is applied by laying on the expanded polystyrene plates 4. with 100mm overlap on the side and end area. By heating the upper layer of the membrane 3 with the flame of a gas burner, the heat transfer is made to the lower layer of the membrane 3, the adhesive of the material is activated thermally in direct contact with the expanded polystyrene plate 4, realizing the breaking of the plates with the bituminous membrane 3, in the same time by heating the upper layer to the softening point, the bonding of the waterproofing layer formed by the self-protected bituminous membrane 5 with mineral granules is also achieved.

Stratul hidroizolant format din membrana bituminoasa 5,care are o greutate intre 3,5 si 6 kg/m2 și o grosime intre 2,5 și 5 mm și este alcătuită din bitum distilat, aditivat cu poliolefine si polimeri elastici si/sau plastici, care contribuie semnificativ la creșterea flexibilității membranei (0°....-25°C), rezistentei la îmbătrânire si la îmbunătățirea caracteristicilor elastice și de aderență, și filler de calcar cuprins intre 30si50%, Membrana bituminoasa 5 este prevăzută cu o armatura din impâslitură de poliester cu greutate de 120-180 g/m2 ranforsată cu filamente longitudinale si/sau transversale de fibră de sticlă sau cu o armatura din fibra de sticla cu o greutate de 50-180 g/m2, care conferă o buna rezistenta la solicitări mecanice si o buna stabilitate dimensionala la variații mari de temperatura. Partea superioară a membranei este protejată cu granule minerale sub formă de paiete, acestea având deopotrivă un rol de protecție împotriva degradării membranei sub acțiunea razelor UV, cât și un rol estetic. Partea inferioară a membranei este protejată de un film termofuzibil de polietilenă cu o grosime de 7...8pm.The waterproofing layer made up of bituminous membrane 5, which has a weight between 3.5 and 6 kg / m 2 and a thickness between 2.5 and 5 mm and is made of distilled bitumen, additive with polyolefins and elastic and / or plastic polymers, which significantly contributes to the increase of membrane flexibility (0 ° ....- 25 ° C), the resistance to aging and the improvement of elastic and adhesion characteristics, and limestone filler between 30 and 50%, bituminous membrane 5 is provided with a reinforcement of polyester seam of 120-180 g / m 2 weight reinforced with longitudinal and / or transverse fiberglass filaments or with a fiberglass reinforcement with a weight of 50-180 g / m 2 , which gives good strength at mechanical stresses and good dimensional stability at large temperature variations. The upper part of the membrane is protected with mineral granules in the form of sequins, which also have a protective role against degradation of the membrane under the action of UV rays, as well as an aesthetic role. The lower part of the membrane is protected by a polyethylene thermofusable film with a thickness of 7 ... 8pm.

Procedeul de realizare a sistemului termo-hidroizolant , comform invenției, cuprinde următoarele faze :The process of making the thermo-insulating system, according to the invention, comprises the following phases:

- decaparea ultimului strat din hidroizolatia veche sau decaparea totala pina la sapa de egalizare- pickling of the last layer from old waterproofing or total pickling up to the equalization hole

- amorsarea suprafețelor ce urmeaza a fi izolate cu o amorsa bituminoasa 1- priming of the surfaces to be insulated with a bituminous primer 1

- se pozeaza membrana de difuzie 2 pe suprafața, fara sa fie lipita (λ-2 0 1 0 - 0 0 5 2 7 -2 0 -07- 2010- the diffusion membrane 2 is placed on the surface, without being bonded (λ-2 0 1 0 - 0 0 5 2 7 -2 0 -07- 2010

- pozarea stratului bariera de vapori pe suprafața terasei, indepartind in același timp folia siliconată prevăzută la partea inferioară a membranei, precum si banda laterala siliconată de pe zona de lipire laterala. Membrana bitumata termoadeziva va avea suprapuneri de 100mm pe banda laterala si de capat si datorita adezivitatii amestecului bituminos la temperatura ambianta, membrana esta fixata in semiaderenta de suprafața suport.- laying the vapor barrier layer on the surface of the terrace, while removing the silicone foil provided at the bottom of the membrane, as well as the silicone side strip from the side soldering area. The thermo-adhesive bitumen membrane will have 100mm overlap on the side and end band and due to the adhesive bitumen mixture at ambient temperature, the membrane is fixed in the semi-adhesive of the support surface.

- aplicarea flăcării pe suprafața superioara a membranei 3, activeaza aditivii termoaderenti înglobați in masa bituminoasa, mărind adezivitatea acesteia si realizând astfel o aderență totală pe suprafața suport si in același timp prin topirea stratului superior al membranei, se creeaza condițiile necesare pentru a se aplica stratul de termoizolare din placi flexibile de polistiren 4- applying the flame on the upper surface of the membrane 3, activates the thermosensitive additives embedded in the bituminous mass, increasing its adhesiveness and thus achieving a total adhesion on the support surface and at the same time by melting the upper layer of the membrane, the necessary conditions are created to apply the layer insulation of flexible polystyrene plates 4

- aplicarea pe masa bituminoasa topita, prin presare si menținere pina la răcire a stratului de placi flexibile de polistiren 4- application on the melted bituminous mass, by pressing and holding until the layer of flexible polystyrene plates is cooled 4

- se pozează pe toata suprafața, stratul din membrana bituminoasa termoadeziva 3 peste plăcile de polistiren 4, efectuindu-se suprapunerile longitudinale si transversale necesare.- is placed on the entire surface, the layer of the thermo-adhesive bituminous membrane 3 over the polystyrene plates 4, making the necessary longitudinal and transverse overlaps.

- se aplica flacara pe suprafața superioara a suprapunerilor longitudinale si transversale si se presează ușor, asigurind lipirea completa a suprapunerilor intre ele .- the flame is applied to the upper surface of the longitudinal and transverse overlaps and is gently pressed, ensuring the complete bonding of the overlaps between them.

- se aplica stratul final hidroizolant, care este membrana bituminoasa 5 cu granule minerale, prin termosudare pe toata suprafața. Prin aceasta operație se realizează transferul termic către stratul inferior al membranei termoadezive, care va casera de polistiren si in același timp, lipirea intre ele a celor doua membrane.- apply the final waterproofing layer, which is bituminous membrane 5 with mineral granules, by thermosetting on the entire surface. Through this operation, the thermal transfer to the lower layer of the thermo-adhesive membrane is achieved, which will break the polystyrene at the same time, the bonding between the two membranes.

Claims (3)

Revendicăriclaims 1 Sistem termo-hidroizolant caracterizat prin aceea ca , este alcătuită dintr-o succesiune de straturi dispuse astfel : un strat de difuzie alcătuit din amorsa bituminoasa 1 si membrana de difuzie 2 , un strat de bariera de vapori alcătuit dintr-o membrana bituminoasa 3 adeziva prin activare termica, cu o grosime de 1,5 - 3mm, aditivata cu poliolefine, polimeri de stiren-butadien stiren si aditivi de aderenta având o armătură composită alcătuită dintr-o țesătură minerală din fibra de sticla cu greutate de 40 -100 g/m2 sau dintr-o impâslitură de poliester cu greutate de 100 - 180 g/m2 armată sau nu cu filamente de fibra de sticlă, care oferă proprietăți excelente de aderenta si elasticitate, permițând alungiri la rupere intre 30 si 50%, durabilitate, rezistenta mecanica si flexibilitate la rece intre -15° si-30°C, cu o impermeabilitate mai mare de 60 kPa , prevăzută la partea inferioara si pe banda de lipire laterala cu o folie siliconata de polipropilenă, un strat de termoizolare alcătuit din placi de polistiren 4, un strat de caserare alcătuit dintr-o membrana bituminoasa 3 si un strat de hidroizolare alcătuit dintr-o membrana bituminoasa 5, care are o greutate intre 3,5 si 6 kg/m2 și o grosime intre 2,5 și 5 mm și este alcătuită din bitum distilat, aditivat cu poliolefine si polimeri elastici si/sau plastici, care contribuie semnificativ la creșterea flexibilității membranei (0°....-25°C), rezistentei la îmbătrânire si la îmbunătățirea caracteristicilor elastice și de aderență, și filler de calcar cuprins intre 30si50%, Membrana bituminoasa 5 este prevăzută cu o armatura din impâslitură de poliester cu greutate de 120-180 g/m2 ranforsată cu filamente longitudinale si/sau transversale de fibră de sticlă sau cu o armatura din fibra de sticla cu o greutate de 50-180 g/m2, care conferă o buna rezistenta la solicitări mecanice si o buna stabilitate dimensionala la variații mari de temperatura. Partea superioară a membranei este protejată cu granule minerale sub formă de paiete, acestea având deopotrivă un rol de protecție împotriva degradării ί\-2 Ο 1 Ο - Ο OS 2 7 - 2 Ο -07- 20W membranei sub acțiunea razelor UV, cât și un rol estetic. Partea inferioară a membranei este protejată de un film termofuzibil de polietilenă cu o grosime de1 Thermo-insulating system characterized in that it is made up of a succession of layers arranged as follows: a diffusion layer consisting of bituminous primer 1 and diffusion membrane 2, a vapor barrier layer made of an adhesive bituminous membrane 3 by thermal activation, with a thickness of 1.5 - 3mm, additive with polyolefins, styrene-butadiene styrene polymers and adhesive additives having a composite reinforcement made of a mineral fiberglass fabric with a weight of 40-100 g / m 2 or from a polyester seam with a weight of 100 - 180 g / m 2 reinforced or not with fiberglass filaments, which offers excellent adhesion and elasticity properties, allowing elongation at break between 30 and 50%, durability, mechanical strength and cold flexibility between -15 ° and -30 ° C, with a waterproofing greater than 60 kPa, provided at the bottom and on the side bonding band with a silicone polypropylene foil, a thermal insulation layer made of polystyrene plates 4, a coating layer made up of a bituminous membrane 3 and a waterproofing layer made up of a bituminous membrane 5, which has a weight between 3.5 and 6 kg / m 2 and a thickness between 2.5 and 5 mm and is made of distilled bitumen, additive with polyolefins and elastic and / or plastic polymers, which significantly contributes to the increase of membrane flexibility (0 ° -25 ° C), aging resistance and for the improvement of the elastic and adhesion characteristics, and a limestone filler between 30 and 50%, the bituminous membrane 5 is provided with a reinforcement of polyester seam with a weight of 120-180 g / m 2 reinforced with longitudinal and / or transverse fiber filaments. glass or with a fiberglass reinforcement with a weight of 50-180 g / m 2 , which gives good resistance to mechanical stresses and good dimensional stability at large temperature variations. The upper part of the membrane is protected with mineral granules in the form of sequins, which also have a protective role against degradation ί \ -2 Ο 1 Ο - Ο OS 2 7 - 2 Ο -07-20W of the membrane under the action of UV rays, as well as an aesthetic role. The underside of the membrane is protected by a polyethylene thermosetting film with a thickness of 7...8pm..7 ... 8pm .. 2 Sistemul termo-hidroizolant .conform revendicării 2 .caracterizat prin aceea ca stratul de barieră de vapori alcătuit dintr-o membrana bituminoasa 3, adeziva prin activare termica, cu o grosime de 1,5 - 3mm, aditivata cu poliolefine, polimeri de stiren-butadien stiren si aditivi de aderenta având o armătură composită alcătuită dintr-o țesătură minerală din fibra de sticla cu greutate de 40 -100 g/m2 sau dintr-o impâslitură de poliester cu greutate de 100 - 180 g/m2 armată sau nu cu filamente de fibra de sticlă, care oferă proprietăți excelente de aderenta si elasticitate, permițând alungiri la rupere intre 30 si 50%, durabilitate, rezistenta mecanica si flexibilitate la rece intre -15° si-30°C, cu o impermeabilitate mai mare de 60 kPa , prevăzută la partea inferioara si pe banda de lipire laterala cu o folie siliconata de polipropilenă , are rol dublu de bariera de vapori si de caserare a polistirenului de membrana.2 The thermo-insulating system according to claim 2, characterized in that the vapor barrier layer is made up of a bituminous membrane 3, adhesive by thermal activation, with a thickness of 1.5 - 3 mm, additive with polyolefins, styrene polymers. styrene butadiene and adhesive additives having a composite reinforcement consisting of a mineral fiberglass fabric with a weight of 40-100 g / m 2 or a polyester seam with a weight of 100-180 g / m 2 reinforced or not with fiberglass filaments, which offers excellent adhesion and elasticity properties, allowing elongations at break between 30 and 50%, durability, mechanical strength and cold flexibility between -15 ° and -30 ° C, with a higher impermeability than 60 kPa, provided at the bottom and on the side bonding strip with a silicone polypropylene foil, has a dual role as a vapor barrier and for breaking the membrane polystyrene. 3. Sistemul termo-hidroizolant .conform revendicării 2, caracterizat prin aceea că stratul de termoizolare este alcătuit din placi de polistiren expandat sau extrudat 4, cu grosimea intre 40-400mm, placi prevăzute la partea inferioara cu niște caneluri a, de forma dreptunghiulara, trapezoidala sau alta forma, de lățimi cuprinse intre 110mm, cu o adincime a canelurii de 1/2-2/3 din grosimea plăcii de polistiren, realizate la distante cuprinse intre 50-300mm.The thermo-insulating system according to claim 2, characterized in that the insulation layer is composed of expanded or extruded polystyrene plates 4, with a thickness between 40-400mm, plates provided at the bottom with grooves of rectangular shape, trapezoidal or other form, of widths between 110mm, with a groove depth of 1 / 2-2 / 3 of the thickness of the polystyrene plate, made at distances between 50-300mm.
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