Parking roofs

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General information

Parking planned on top of the roof is a widely used version of utilising the roof of large-surface commercial and service-providing buildings (malls). Also, in the case of residential buildings and/or holiday houses, there may be a demand to provide parking spots in a certain part of the roof.

Parking roofs are actually a special type of roof terraces where vehicles of various sizes move or park on the cladded surface with varied frequency.

Other information

ADVANTAGES OF INVERTED ROOFS
The main advantages of inverted roofs prevail in particular in cases of flat roofs used for vehicle traffic (e.g. parking roofs):

  • mechanical protection of the rainwater proofing membrane
  • installation of the waterproofing layer directly on the solid slab
  • applying high-strength thermal insulation.

By applying high-strength RAVATHERM XPS 500 SL and RAVATHERM XPS 700 SL boards with high flexible rigidity, simple, economical structural solutions with long lifespan can be realised.

In the case of flat roofs opened for vehicle traffic, it is especially justified to use XPS thermal insulation, irrespective of the order of layers, since so high compressive and sliding stresses arise from the movement of vehicles that only high-performance XPS board can endure in the long run.
A speciality of this flat roof type is that it is usually exposed to higher static and dynamic loads than normal roof terraces. (concentrated wheel pressure of vehicles, dynamic effects arising from movement)

During the manufacturing of extruded polystyrene (XPS), the result of the extrusion production process is a homogeneous, closed-cell material structure with a smooth surface crust (called extrusion crust) which provides a number of favourable material characteristics:

  • persistently high thermal insulation level,
  • water and frost resistance,
  • high strength,
  • high flexible rigidity,
  • high resistance to vapour diffusion.

All these favourable characteristics make the XPS thermal insulation material suitable for, among others, the excellent realisation of parking roofs.

Technical

IMPLEMENTATION OF PARKING ROOFS

Their order of layers and the steps of installation are identical with those of walkable terrace roofs until the protective layer of waterproofing, but, with respect to the loads, the compressive strength of the thermal insulation:

  • must be at least 300 kPa in case of load-distribution reinforced concrete slabs
  • at least 500 kPa in the case of concrete paving blocks laid into a basalt chippings bed (min. 10-cm thick).

The selection of the type of material has to be determined on the basis of sizing.
The slope of the reinforced concrete top slab or the sloping concrete are to be determined according to the Roof Insulation Guidelines; min 2% slope is recommended.
It is expedient to enframe floor gullies and vertical structures with reinforced concrete edges in order to prevent movement.

IN THE CASE OF CONCRETE PLATE WALKING SURFACE

If a sized concrete screed is prepared, the expectable load, sliding stresses arising from vehicle movements, thermal expansions, and slope conditions have to be taken into account.
Expansion joints are to be used in a raster at least 2.50 x 2.50 m, and the infiltration of rainwater has to be counted on despite the persistently flexible joints, so a drainage layer must be installed to act as a vapour pressure relieving layer and a sliding layer as well.
The thickness and rebar needs of the plate and the design of the expansion joints and expansion sections to work together are to be prepared based on the instructions of a structural engineer.
When a load distribution reinforced concrete slab is prepared, dilatation joints have to be sealed.

ÉNGY, TERC code

  • Thermal insulation of inverted flat roofs (utilized) 48-007-11.22.1 - 300 SL
    PRODUCT NAMETHICKNESSÉNGY CODE (MV)TERC CODE
    RAVATHERM XPS 300SL3048-007-055927348-007-21.1.1.7.3-0110112
    RAVATHERM XPS 300SL4048-007-055928548-007-21.1.1.7.3-0110113
    RAVATHERM XPS 300SL5048-007-055929048-007-21.1.1.7.3-0110114
    RAVATHERM XPS 300SL6048-007-055930048-007-21.1.1.7.3-0110115
    RAVATHERM XPS 300SL8048-007-055931248-007-21.1.1.7.3-0110116
    RAVATHERM XPS 300SL10048-007-055932448-007-21.1.1.7.3-0110117
    RAVATHERM XPS 300SL12048-007-055933648-007-21.1.1.7.3-0110118
    RAVATHERM XPS 300SL14048-007-055934148-007-21.1.1.7.3-0110119
    RAVATHERM XPS 300SL15048-007-242916648-007-21.1.1.7.3-0110120
    RAVATHERM XPS 300SL16048-007-242917148-007-21.1.1.7.3-0110121
    RAVATHERM XPS 300SL18048-007-242918348-007-21.1.1.7.3-0110122
    RAVATHERM XPS 300SL20048-007-242919548-007-21.1.1.7.3-0110123
    RAVATHERM XPS 300SL22048-007-438508048-007-21.1.1.7.3-0110103
    RAVATHERM XPS 300SL24048-007-438509248-007-21.1.1.7.3-0110104
    RAVATHERM XPS 300SL26048-007-438510248-007-21.1.1.7.3-0110106
    RAVATHERM XPS 300SL28048-007-438511448-007-21.1.1.7.3-0110107
  • Thermal insulation of inverted flat roofs (utilized) 48-007-11.22.1 - 500 SL
    PRODUCT NAMETHICKNESSÉNGY CODE (MV)TERC CODE
    RAVATHERM XPS 500 SL4048-007-055252548-007-11.22.1-0110183
    RAVATHERM XPS 500 SL5048-007-055253048-007-11.22.1-0110184
    RAVATHERM XPS 500 SL6048-007-055254248-007-11.22.1-0110185
    RAVATHERM XPS 500 SL8048-007-055255448-007-11.22.1-0110186
    RAVATHERM XPS 500 SL10048-007-055256648-007-11.22.1-0110187
    RAVATHERM XPS 500 SL12048-007-242717148-007-11.22.1-0110188
    RAVATHERM XPS 500 SL14048-007-242718348-007-11.22.1-0110189
    RAVATHERM XPS 500 SL15048-007-438504648-007-11.22.1-0110202
    RAVATHERM XPS 500 SL16048-007-242719548-007-11.22.1-0110190
    RAVATHERM XPS 500 SL18048-007-438505148-007-11.22.1-0110205
    RAVATHERM XPS 500 SL20048-007-438506348-007-11.22.1-0110206
  • Thermal insulation of inverted flat roofs (utilized) 48-007-11.22.1 - 700 SL
    PRODUCT NAMETHICKNESSÉNGY CODE (MV)TERC CODE
    RAVATHERM XPS 700 SL4048-007-055257148-007-11.22.1-0110193
    RAVATHERM XPS 700 SL5048-007-055258348-007-11.22.1-0110194
    RAVATHERM XPS 700 SL6048-007-055259548-007-11.22.1-0110195
    RAVATHERM XPS 700 SL8048-007-055260548-007-11.22.1-0110196
    RAVATHERM XPS 700 SL10048-007-242720548-007-11.21.1-0110199
    RAVATHERM XPS 700 SL12048-007-242721048-007-11.21.1-0110200
    RAVATHERM XPS 700 SL14048-007-438502248-007-11.22.1-0110199
    RAVATHERM XPS 700 SL16048-007-438503448-007-11.22.1-0110200

Tender text

  • Thermal insulation of inverted flat roofs with concrete paving (utilized) - 300 SL

    Hőszigetelés elhelyezése fordított rétegrendű, kiselemes járólappal fedett járható lapostetőben sima
    felületű RAVATHERM XPS 300 SL extrudált polisztirolhab lemezzel,

    30-40 mm: λD=0,033 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)300 – CC(2/1,5/50)130 – DS(70,90) – DLT(2)5 -WD(V)3 – WL(T)0,7 – FTCD1
    50-60 mm: λD=0,034 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)300 – CC(2/1,5/50)130 – DS(70,90) – DLT(2)5 -WD(V)2 – WL(T)0,7 – FTCD1
    80 mm: λD=0,033 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)300 – CC(2/1,5/50)130 – DS(70,90) – DLT(2)5 -WD(V)1 – WL(T)0,7 – FTCD1
    100-120 mm: λD=0,034 W/mK
    XPS – EN13164 – T1 – CS(10\Y)300 – CC(2/1,5/50)130 – DS(70,90) – DLT(2)5 -WD(V)1 – WL(T)0,7 – FTCD1
    140-280 mm: λD=0,035 W/mK
    XPS – EN13164 – T1 – CS(10\Y)300 – CC(2/1,5/50)130 – DS(70,90) – DLT(2)5 -WD(V)1 – WL(T)0,7 – FTCD1

    A vízszigetelés, szűrő-elválasztó réteg, a burkolati elemek és a bazaltzúzalék ágyazó réteg/távtartó
    lábak külön tételben kerülnek kiírásra.

  • Thermal insulation of inverted flat roofs with concrete paving (utilized) - 500 SL

    Hőszigetelés elhelyezése fordított rétegrendű, nagy közönségforgalmú kiselemes járólappal fedett
    járható lapostetőben sima felületű RAVATHERM XPS 500 SL extrudált polisztirolhab lemezzel,

    40 mm: λD=0,034 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)500 – CC(2/1,5/50)180 – DS(70,90) – DLT(2)5 – WD(V)3 – WL(T)0,7 – FTCD1
    50-60 mm: λD=0,034 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)500 – CC(2/1,5/50)180 – DS(70,90) – DLT(2)5 – WD(V)2 – WL(T)0,7 – FTCD1
    80-200 mm: λD=0,035 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)500 – CC(2/1,5/50)180 – DS(70,90) – DLT(2)5 – WD(V)1 – WL(T)0,7 – FTCD1

    A vízszigetelés, szűrő-elválasztó réteg, a burkolati elemek és a bazaltzúzalék ágyazó réteg/távtartó
    lábak külön tételben kerülnek kiírásra.

  • Thermal insulation of inverted flat roofs with concrete slab (utilized) – 500 SL

    Hőszigetelés elhelyezése fordított rétegrendű, teherelosztó vasbeton réteggel fedett parkolótetőben
    sima felületű RAVATHERM XPS 500 SL extrudált polisztirolhab lemezzel,

    40 mm: λD=0,034 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)500 – CC(2/1,5/50)180 – DS(70,90) – DLT(2)5 – WD(V)3 – WL(T)0,7 – FTCD1
    50-60 mm: λD=0,034 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)500 – CC(2/1,5/50)180 – DS(70,90) – DLT(2)5 – WD(V)2 – WL(T)0,7 – FTCD1
    80-200 mm: λD=0,035 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)500 – CC(2/1,5/50)180 – DS(70,90) – DLT(2)5 – WD(V)1 – WL(T)0,7 – FTCD1

    A vízszigetelés, a szűrő-elválasztó réteg, a betonozáshoz szükséges anyagok külön tételben
    kerülnek kiírásra.

  • Thermal insulation of inverted flat roofs with concrete slab (utilized) – 700 SL

    Hőszigetelés elhelyezése fordított rétegrendű, nagy igénybevételnek kitett, teherelosztó vasbeton
    réteggel fedett parkolótetőben sima felületű RAVATHERM XPS 700 SL extrudált polisztirolhab
    lemezzel,

    40 mm: λD=0,034 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)700 – CC(2/1,5/50)250 – DS(70,90) – DLT(2)5 – WD(V)3 – WL(T)0,7 – FTCD1
    50-60 mm: λD=0,034 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)700 – CC(2/1,5/50)250 – DS(70,90) – DLT(2)5 – WD(V)2 – WL(T)0,7 – FTCD1
    80-160 mm: λD=0,035 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)700 – CC(2/1,5/50)250 – DS(70,90) – DLT(2)5 – WD(V)1 – WL(T)0,7 – FTCD1

    A vízszigetelés, a szűrő-elválasztó réteg, a betonozáshoz szükséges anyagok külön tételben
    kerülnek kiírásra.

  • Thermal insulation of inverted flat roofs with concrete paving (utilized) - 700 SL

    Hőszigetelés elhelyezése fordított rétegrendű, nagy igénybevételnek kitett, kiselemes térburkolattal
    fedett parkolótetőben sima felületű RAVATHERM XPS 700 SL extrudált polisztirolhab lemezzel,

    40 mm: λD=0,034 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)700 – CC(2/1,5/50)250 – DS(70,90) – DLT(2)5 – WD(V)3 – WL(T)0,7 – FTCD1
    50-60 mm: λD=0,034 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)700 – CC(2/1,5/50)250 – DS(70,90) – DLT(2)5 – WD(V)2 – WL(T)0,7 – FTCD1
    80-160 mm: λD=0,035 W/mK,
    XPS – EN13164 – T1 – CS(10\Y)700 – CC(2/1,5/50)250 – DS(70,90) – DLT(2)5 – WD(V)1 – WL(T)0,7 – FTCD1

    A vízszigetelés, szűrő-elválasztó réteg, a burkolati elemek és a bazaltzúzalék ágyazó réteg/távtartó
    lábak külön tételben kerülnek kiírásra.