A multilayer film is provided. The film includes a first inert layer, a first tie layer, a nail sealable layer, a second tie layer, and a second inert layer. Where, the nail sealable layer is between the first tie layer and the second tie layer, the first tie layer is between the first inert layer and the nail sealable layer, the second tie layer is between the second inert layer and the nail sealable layer, the total film thickness is between 0.002 inch and 0.010 inch, and the film has a Water Vapor Transmission Rate of less than 0.5 grams per one hundred square inches per day.

The present invention provides a panel sheathing for making wall and roof structures in which the panels (e.g., wood boards, oriented strand boards, plywood, etc.) are pre-coated at a factory, before installation at the building/construction site, using a polymeric barrier coating having specific water permeability, self-sealing properties with respect to penetrated metal fasteners (e.g., nails) in accordance with ASTM D7349 (modified using 1.5-5.0 inches water depth in hydrostatic head testing over sample of coated panel in which a steel nail is driven to within ⅛ inches of being flush with the panel and conditioning the test specimen for 24 hours at 23° C. prior to hydrostatic loading), as well as anti-blocking properties whereby the coated panels can be transported in stacked configuration without sticking or disintegration of the polymeric barrier coating. The coated panels do not require the use at the installation site of felt paper, house wrap, or additional applied barrier coating to provide excellent weather barrier properties. The present invention also provides methods for constructing the panel sheathing structure as well as for making the coated panels.

In an embodiment, a multifunctional material system is provided and can include a variable-permeability layer, a desiccant containing layer, and a vapor-permeable supporting layer. The variable-permeability layer can have a vapor permeability that increases with increasing relative humidity. The desiccant containing layer can be adjacent the variable-permeability layer. The vapor-permeable supporting layer can be positioned adjacent at least one of the variable-permeability layer and the desiccant containing layer. Water moves in a first direction from the variable-permeability layer to the desiccant layer when relative humidity is greater adjacent the variable-permeability layer than the desiccant layer. Water moves a second, opposing direction, from the desiccant containing layer to the variable-permeability layer when the relative humidity is greater adjacent the desiccant containing layer than the variable-permeability layer. The rate of water motion in the first direction is greater than the second direction when the humidity gradient is reversed.

There is provided an article that includes a polymeric layer disposed on and covering a first major surface of an porous layer, an adhesive layer disposed on a second major surface of the elastic layer opposite the polymeric layer; and a liner disposed on a major surface of the polymeric layer opposite the first major surface of the elastic layer. The polymeric layer and the porous layer together form an air and water barrier that is water vapor permeable. The liner is water vapor impermeable. In a preferred embodiment the polymeric layer comprises a polyoxyalkylene polymer having at least one end group derived from an alkoxy silane. A method of applying the article to a surface of a building component is also provided.

A resistant, UV resistant, vapor permeable, air barrier roofing underlayment assembly for use on sloped roofs comprising a substrate of permeable polyester, a permeable copolymer acrylate coating bonded to the permeable polyester substrate and a pressure sensitive permeable copolymer adhesive secured to the permeable acrylate coating.

A method for reducing sound transmission through a building wall includes placing a sound-deadening and/or thermally insulative drainage mat between an exterior wall cladding and an interior framing system. The sound-deadening and/or thermally insulative drainage mat including: a water or moisture permeable filter layer, an entangled net adjacent and joined to the filter layer, and a sound-deadening and/or thermally insulative layer adjacent and joined to the entangled net opposite the filter layer. The filter layer is placed adjacent the exterior wall cladding and the sound-deadening and/or thermally insulative layer is placed adjacent the framing system. The sound-deadening and/or thermally insulative layer is a fabric. Water or moisture within the wall is drained out of the wall via the entangled net and sound penetrating the exterior wall cladding is reduced or eliminated by the sound-deadening and/or thermally insulative layer.

The present disclosure provides for protective drainage wraps having improved properties, including fluid handling and structural integrity. The protective material barrier constructions, such as wraps, provide protection to surfaces, such as walls of buildings. The present disclosure provides for methods of making, using, and installing such protective material barrier constructions.

A breathable multilayer spun bonded polypropylene membrane having a coated pressure sensitive adhesive capable of allowing air and moisture vapor to pass through it. The adhesive is formed of a copolymer comprising a backbone of n-butyl acrylate, 2-ethylhexyl acrylate, and vinyl acetate which is mixed with a surfactant and emulsified to produce bubbles which form pores when the copolymer is set with about 80% to about 90% of the pore sizes ranging from about 200 microns to about 300 microns and a pore density in the cured pressure sensitive adhesive ranging from about 4200 per inch.sup.2 to about 4600 per inch.sup.2, said pores being uniformly distributed to form a flow path through the adhesive.

A sheathing panel includes a barrier overlay secured to a panel; wherein the sheathing panel is bulk water resistant and has at least one of the following properties: a water vapor transmission rate of at least 7.0 grams per square meter per 24 hours (grams/m.sup.2/24 hours) as determined by ASTM E96-15 procedure A at 73° F. and 50% relative humidity (RH), a water vapor permeance of at least 1.3 perms as determined by ASTM E96-15 procedure A at 73° F. and 50% relative humidity (RH), or an air infiltration rate of less than 0.2 liters per second per square meter (L/s-m.sup.2) at 75 pascals (Pa) as determined by ASTM E2357-11.

The present invention relates to construction foil (1), with a multilayer layer structure (3) comprising a carrier layer (2) and a textile layer (11), wherein an electronic unit (4) comprising at least one moisture sensor (6) is printed on the outer side (13) of the carrier layer (2), wherein the textile layer (11) is water-permeable, preferably water-absorbent, wherein the electronic unit (4) is provided between the carrier layer (2) and the textile layer (11), and wherein the moisture sensor (6) is in direct contact with the textile layer (11), in particular is arranged on the textile layer (11).