Accesso libero

Environmental and Performance Assessment of Protective Outer Layers for Paper-Based Building Envelopes

, ,  e   
10 mag 2025
INFORMAZIONI SU QUESTO ARTICOLO

Cita
Scarica la copertina

Figure 1.

Scheme of the outdoor outer layer
Scheme of the outdoor outer layer

Figure 2.

Result of ReCiPe method endpoint LCA analysis for exterior layers E1-E7
Result of ReCiPe method endpoint LCA analysis for exterior layers E1-E7

Figure 3.

Result of CLM 2001 method midpoint LCA analysis for exterior layers E1-E7
Result of CLM 2001 method midpoint LCA analysis for exterior layers E1-E7

Figure 4.

Result of ReCiPe method endpoint LCA analysis for interior layers I1-I7
Result of ReCiPe method endpoint LCA analysis for interior layers I1-I7

Figure 5.

Result of CLM 2001 method midpoint LCA analysis for interior layers I1-I7
Result of CLM 2001 method midpoint LCA analysis for interior layers I1-I7

Figure 6.

Outer layers evaluation metric
Outer layers evaluation metric

Characteristic of indoor surface outer layers

No Layer scheme materials application Thickness [mm] Weight [kg/m2] Fire resistance Water resistance Mechanic. resistance UV degr. resistance Recyclability
I1

FR wood varnish

plywood

dry rooms 6.0 6.30 moderate moderate moderate moderate moderate
I2

dispersion wall paint

Magnesium Oxide board

Timberex oil varnish

dry rooms 8.0 8.30 high low moderate high low
I3

PVC veneer

paperboard

Burnblock

wet rooms 6.0 0.89 low moderate low high moderate
I4

dispersion wall paint

fibreglass wallpaper

teak oil coating

paperboard

Burnblock

dry rooms 6.5 1.00 moderate low low high low
I5

PVC membrane, FR

paperboard

wet rooms 7.0 3.00 moderate moderate low high moderate
I6

dispersion wall paint

gypsum board

linseed oil varnish

dry rooms 12.0 8.36 high low moderate high low
I7

HPL board

Burnblock

wet rooms 6.0 2.98 moderate moderate moderate high low

Outer layers performance assessment

Layer No. E1 E2 E3 E4 E5 E6 E7 I1 I2 I3 I4 I5 I6 I7
application EW EW EW EW ER ER ER ID ID IW ID IW ID IW
Fire resistance 1 2 1 1 2 1 1 1 2 0 1 1 2 1
Water resistance 1 1 1 1 2 2 2 1 0 1 0 1 0 1
Mechanic. resistance 2 2 1 1 2 2 2 1 1 0 0 0 1 1
Price and availability 0 0 1 0 1 1 1 1 0 2 2 0 2 0
Performance score 4 5 4 3 7 6 6 4 3 3 3 2 5 3

Material inventory of the analysed outdoor outer layers, presented in kg per average m2 of the envelope

E1 E2 E3 E4 E5 E6 E7
timber 2.160 2.160 2.160 13.160 2.160 2.160 2.160
plywood - - 10.800 - - - -
fire retardant (borates) 0.150 0.150 0.150 0.150 0.300 0.150 0.150
acrylic varnish - - 0.150 - - - -
breather membrane (polypropylene) 0.150 0.150 0.150 0.150 0.150 0.150 0.150
HPL 2.680 - - - - - -
fibre-cement board - 13.200 - - - - -
OSB board - - - - 7.800 7.800 7.800
EPDM - - - - - 2.450 -
aluminium - - - - 1.500 - -
bitumen - - - - - - 10.000

Coatings and impregnates for paperboard

Product and manufacturer name Base material Water resistance Fire resistance UV degr. resistance Price Recyclability of coated paper
Monovar PU varnish polyurethane low low high high moderate
Sadolin Yacht Varnish alkyd resin high low high moderate moderate
Jedynka Wax Varnish alkyd resin, polysaccharide resin and linseed oil low low high low moderate
Bird Brand Complete Decking Oil natural oils, waxes and resins high low moderate low low
Timberex hard wax oil natural oils and waxes high moderate moderate high low
Colorit wood wax synthetic and natural waxes moderate low moderate low moderate
Dragon linseed oil varnish linseed oil high low high low low
COO-VAR Siliconized Teak Oil natural oils and silicone oil derivatives moderate moderate moderate low low
Sicol Sodium Water Glass sodium silicate - high - low high
Burnblock natural occurred compounds - high - moderate high
Borates fire retardant sodium borate-boric acid 1:1 mixture - high - low high

Characteristic of outdoor surface outer layers_ BM+VC is a breather membrane and ventilation cavity

No Layer scheme materials application Thickness [mm] Weight [kg/m2] Fire resistance Water resistance Mechanic. resistance UV deg. resistance Recyclability
E1

HPL board, FR

BM + VC

Burnblock

wall 36.5 2.98 moderate moderate high high low
E2

fibre-cement board

BM + VC

Burnblock

wall 38.5 13.50 high moderate high high moderate
E3

FR wood varnish

plywood

BM+VC

borates

wall 45.5 10.95 moderate moderate moderate moderate moderate
E4

carbonized wood

BM+VC

Burnblock

wall 50.5 4.80 moderate moderate moderate high moderate
E5

coated aluminium

Burnblock

OSB/MDF board

BM+VC

Burnblock

wall and roof 41.0 7.88 high high high high high
E6

EPDM membrane, FR

OSB/MDF board

BM+VC

borates

wall and roof 42.5 8.83 moderate high high high high
E7

bitumen shingle, FR

OSB/MFP board

BM+VC

borates

wall and roof 42.5 16.90 moderate high high high low

Characteristics of paper-based envelopes case studies_

Westborough PS Wikkelhouse TECH 03 (House of Cards) TECH 04 FPPH
designers Cottrell and Vermeulen Architecture Rene Snel, Fiction Factory Jerzy Łątka, Marcel Bilow, Julia Schönwälder, Jerzy Łątka, Agata Jasiołek TU Darmstadt BAMP! group
life span (assumed) 20 years 50 years 5 years 5 years minimum 3 years
Outdoor surface Protection technique FL, AM FL, AM FL FL, AM FL, MM
materials breather membrane, fibre-cement board breather membrane, wood cladding self-adhesive foil, polyethene-coated paper aluminium sheet polyethene-coated paper, paperboard
combustibility non-combust. no data combustible non-combust. semi-combust
water resistance watertight watertight watertight watertight watertight
mechanical damage resist. high high low moderate moderate
Indoor surface Protection technique AM AM FL FL FL, MM
materials FR cellulose pinboard plywood self-adhesive foil, polyethene-coated paper self-adhesive foil polyethene-coated paper, paperboard
combustibility non-combust. no data combustible combustible Semi-combust
water resistance moderate moderate watertight watertight watertight
mechanical damage resist. moderate high low low moderate

Finishing materials proposed for use on paper-based building envelopes_

Material Thickness [mm] Weight [kg/m2] Fire resistance Water resistance Mechanical resistance UV degr. resistance Price1 Recyclability
aluminium sheet 0.60 1.50 high high low high low high
plywood 18.00 10.80 moderate moderate high moderate high moderate
fibre-cement board 10.00 13.20 high high high high low moderate
HPL board 5.20 2.68 high high high high high low
EPDM membrane, FR 1.80 2.45 high high high high low high
PVC membrane 1.80 2.50 low high high high low moderate
fibreglass wallpaper 0.50 0.05 high high high high low low
vinyl veneer 0.50 0.75 moderate high high high low moderate
carbonised timber 20.00 11.00 moderate moderate high high high moderate
magnesium oxide board 8.00 8.00 high high high high high moderate
gypsum board 12.00 8.06 moderate low moderate no data low moderate
bitumen shingle, FR 2.00 10.00 moderate high high high low low

Material inventory of the analysed indoor outer layers, presented in kg per average m2 of the envelope

I1 I2 I3 I4 I5 I6 I7
plywood 3.600 - - - - - -
fire retardant (borates) - - 0.150 0.150 - - 0.150
acrylic varnish 0.150 - - - - - -
dispersion paint - 0.150 - 0.150 - 0.150 -
HPL - - - - - - 2.680
Fibreglass - - - 0.050 - - -
Gypsum plasterboard - - - - - 8.060 -
MgO board - 8.000 - - - - -
PVC - - 0.240 - 2.500 - -
paperboard - - 0.500 0.500 0.500 - -
oil varnish - 0.150 - 0.150 - 0.150 -
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Architettura e design, Architettura, Architetti, edifici