NT Methods Archive

Here you can find and download all published NT Methods.

NT Methods Files

File size: 21.08 KB Download

Bricks and masonry blocks: Water absorption (NT BUILD 334)

NT BUILD 334

  • This NORDTEST method describes how to measure the water absorption of bricks and masonry blocks.

File size: 22.20 KB Download

Bricks and masonry blocks: Moisture content (NT BUILD 333)

NT BUILD 333

  • This NORDTEST method describes how to measure the moisture content of bricks and masonry blocks.

File size: 26.37 KB Download

Bricks and masonry blocks: Density (NT BUILD 332)

NT BUILD 332

  • This NORDTEST method describes how to measure the bulk density and net density of bricks and masonry blocks.

File size: 60.92 KB Download

Paint applied to wood: Water permeability (NT BUILD 331)

NT BUILD 331

  • This NORDTEST method specifies an accurate method to determine the permeability coefficients for materials forming an attached coat when applied to a permeable substrate, e.g. wood. This method takes into account inherent cup effects in permeation experiments and eliminates the influence from the substrate during the test.

File size: 196.43 KB Download

Floors in sport halls: Friction at rotating movement (NT BUILD 330)

NT BUILD 330

  • This NORDTEST method specifies a method for determination of the friction on sport floors when exposed to a dynamic, vertical, and rotating point load (i.e., simulating the load exerted by an athlete in a rotating movement on the floor).

File size: 45.17 KB Download

Insulating materials injected into loft: Thickness (NT BUILD 329)

NT BUILD 329

  • The method is applied to determine the thickness of a bed of granulate injected into lofts. By loft is meant an accessible, ventilated space with a horizontal - or nearly horizontal - bottom.

File size: 66.22 KB Download

Insulating materials injected into loft: Density (NT BUILD 328)

NT BUILD 328

  • The method is applied to determine the density of a bed of granulate injected into lofts. By loft is meant an accessible, ventilated space with horizontal - or nearly horizontal - bottom.

File size: 136.34 KB Download

Light-weight beams of wood: Loadbearing capacity and rigidity (NT BUILD 327)

NT BUILD 327

  • Light-weight beams of wood are used in buildings in joists, purlins and trusses, etc. They are primarily subjected to static bending, shear forces and concentrated loads at the supports.

File size: 22.87 KB Download

Floors: Ease of cleaning (NT BUILD 326)

NT BUILD 326

  • The scope of this NORDTEST method is to determine the ease of cleaning of floor coverings.

File size: 308.39 KB Download

Floor coverings: Assessment of visible soiling (NT BUILD 325)

NT BUILD 325

  • This NORDTEST method is intended for the assessment of visible soiling of floor coverings. The soiling procedure simulates the soiling of floor coverings from dirty shoes.

File size: 21.80 KB Download

Particle boards: Compression strength (NT BUILD 317)

NT BUILD 317

  • This standard specifies a method of determining the compression strength of particle boards parallel to the plane of the board.

File size: 32.39 KB Download

Particle boards: Modulus of elasticity in tension and tensile strength (NT BUILD 316)

NT BUILD 316

  • This standard specifies a method of determining the modulus of elasticity in tension and the tensile strength.

File size: 42.10 KB Download

Particle boards: Shear strength perpendicular to the plane of the board (NT BUILD 315)

NT BUILD 315

  • This standard specifies a method of determining the shear strength of particle boards perpendicular to the plane of the board.

File size: 40.65 KB Download

Particle boards: Shear strength parallel to the plane of the board (NT BUILD 313)

NT BUILD 313

  • This standard specifies a method for determining the shear strength of particle board (flat pressed board) parallel to the plane of the board by rolling shear.

File size: 93.90 KB Download

Roof coverings: Wind load resistance (NT BUILD 307)

NT BUILD 307

  • The test method is designed to assess the wind load resistance of roof assemblies.

File size: 26.17 KB Download

Roof coverings: Strength of mechanical fasteners (NT BUILD 306)

NT BUILD 306

  • This method provides a way of finding the pullout strength of mechanical fasteners for roof coverings exposed to axial symmetric loading. Both static and pulsating loads are used. (In the case of unsymmetrical loadings, the strength must be evaluated separately).

File size: 115.43 KB Download

External wall elements: Freezing and thawing (NT BUILD 305)

NT BUILD 305

  • The purpose of this NORDTEST method is to study the'performance of external wall elements subjected to frost. This means to test if the materials in the elements will stand the freezing/thawing action without damage, to determine possible curving of the elements due to moisture gradients or differncial thermal expansion, and to test the bond strength between different materials in the elements.

File size: 49.04 KB Download

Building materials: Ability to prevent dripping of condensation water (NT BUILD 304)

NT BUILD 304

  • This NORDTEST method describes how to determine the ability of building materials to prevent dripping of water formed through condensation. The test provides both quantitative and qualitative results.

File size: 50.77 KB Download

Building materials, wood: Moisture content (NT BUILD 302)

NT BUILD 302

  • This NORDTEST method describes a procedure for measuring the moisture content in wood by means of electrical moisture meters. The method is based on the observation that the electrical resistance between two electrodes punched into a piece of wood is a function of the moisture content in the wood.

File size: 124.05 KB Download

Paint coatings, organic foil: Carbon dioxide diffusion resistance (NT BUILD 300)

NT BUILD 300

  • This NORDTEST method is developed to determine the gas diffusion resistance of building sealants for the protection of concrete.

File size: 23.25 KB Download

Glue joints: Integrity in structural laminated products for exterior use (NT BUILD 299)

NT BUILD 299

  • The NORDTEST method presented here is designed to simulate the effects of exterior exposure on the joints and thus facilitate an evalution of the strength of glue joints in structural laminated members. The complete test, which involves two test cycles, can be completed in 24 hours.

File size: 35.71 KB Download

Building materials, tightening tapes: Performance (NT BUILD 298)

NT BUILD 298

  • This NORDTEST method may be used for examining performance characteristics of tapes used for tightening of joints and gaps in vapor barrier layers.

File size: 236.41 KB Download

Floor and roof elements: Uniformly distributed loading (NT BUILD 297)

NT BUILD 297

  • The load is applied either by the use of airpressure in airbags; method A, or by vacuum, method B. The loading method is determined by the type of element, purpose of test, available equipment etc.

File size: 38.81 KB Download

Materials, thin: Light transmission (NT BUILD 296)

NT BUILD 296

  • This NORDTEST method describes an accurate method to determine the UV and visible light transmittance properties of thin materials in sheet form as a function of wave-length. This method takes into account the light absorbing and scattering effect of pigments in the actual test materials as well as of the reinforcing material in composites, so that light transmittance through materials like coatings, plastics, glass etc. can be measured with a relatively simple apparatus. The effect of UV-protecting additives can, for example, be studied.

File size: 34.68 KB Download

Sand: Alkali-silica reactivity accelerated test (NT BUILD 295)

NT BUILD 295

  • This NORDTEST method covers the evalution of the potential alkalisilica reactivity of a given sand by the measurement of the increase in length of mortar bars during storage in a warm saturated NaCl solution.

File size: 67.19 KB Download

Building facades - coatings: Performance (NT BUILD 281)

NT BUILD 281

  • This NORDTEST method describes the evalution of the performance characteristics of surface treatments used in porous building facades. By comparing the properties of coatings on the substrate in question a suitable and most durable combination can be selected.

File size: 23.29 KB Download

Building materials - coatings: Wetting and drying (NT BUILD 280)

NT BUILD 280

  • This NORDTEST method is intended for the comparative determination of wetting and drying rates of building materials exposed to rain (driving rains) in service conditions.

File size: 30.96 KB Download

Building materials - coatings: Water transmission (NT BUILD 279)

NT BUILD 279

  • This NORDTEST method specifies a method to study moisture transfer through building materials exposed to excess moisture in service conditions. In the test transfer occurs mainly by capillary attraction.

File size: 87.07 KB Download

Punched metal plate fasteners: Strength (NT BUILD 267)

NT BUILD 267

  • This test method gives rules on the determination of strength and stiffness of punched metal plate fasteners and joints with punched metal plate fasteners.

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