# US 2019/0376279 A1 · Devices and methods to provide air circulation to insulation material > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0376279 A1 - Document ID: US20190376279A1 - Status: Published application - Kind: A1 - Application number: 16/521,246 - Filed: 2019-07-24 - Published: 2019-12-12 - Earliest claimed: 2004-12-09 - Assignees: Hettrich Hansl LLC - Applicants: Hettrich Hansl LLC - Inventors: Robert Pollack - Web page: https://patentgrep.com/patent/US20190376279A1 ## CPC - E04B 1/7662: {comprising fiber blankets or batts} - E04B 1/7612: {in combination with an air space} - E04B 2/00: Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls (connections for building structures in general E04B1/38; insulation for buildings in general E04B1/62; building elements of relatively thin form for parts of buildings E04C2/00) - E04B 2/7457: {with wallboards attached to the outer faces of the posts, parallel to the partition (E04B2/7459 takes precedence)} - E04B 7/00: Roofs; Roof construction with regard to insulation (structures for roofs as well as for floors E04B5/00; ceilings E04B9/00; greenhouses A01G9/14; large containers having floating covers B65D88/34; roof trusses, truss-like structures, joists E04C3/02; roof coverings E04D) - E04D 12/002: {Sheets of flexible material, e.g. roofing tile underlay} - E04D 13/1625: {with means for supporting the insulating material between the purlins or rafters (insulating layers disposed between two longitudinal supporting elements E04B1/7654)} - E04D 13/17: Ventilation of roof coverings not otherwise provided for (ventilation of rooms or spaces F24F) - E04D 13/172: {Roof insulating material with provisions for or being arranged for permitting ventilation of the roof covering} - E04D 13/176: {formed by flexible material suitable to be rolled up} - E04D 13/178: {on the eaves of the roof} - E04F 17/00: Vertical ducts; Channels, e.g. for drainage (pipes in general F16L; pipe-line systems F17D {; drainage devices in floors E03F5/04; roof drainage E04D13/04}) - E04F 17/02: for carrying away waste gases, e.g. flue gases (free-standing chimneys E04H12/28; connections between fireplace and chimney, chimney fittings, covers for cleaning holes of chimneys F23J; chimney tops F23L); Building elements specially designed therefor, e.g. shaped bricks or sets thereof {(coke-ovens C10B; working measures on existing vertical ducts E04G23/02; apparatus for inserting new lining elements in existing ducts E04G21/16; metallic chimneys, linings, joints and spacers therefor F23J11/00, F23J13/00)} - E04F 17/04: Air-ducts or air channels {(heating in general F24; ventilating rooms in general F24F)} - E04B 1/7076: {Air vents for walls} - E04B 1/74: Heat, sound or noise insulation, absorption, or reflection (forms of, or arrangements in, rooms for influencing or directing sound E04B1/99); Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls (fire protection E04B1/94; elements chiefly adapted for structural purposes E04C1/00 - E04C3/00; chiefly adapted for surface coverings E04F13/00; as underlayers for floor coverings E04F15/18; closures for wall or like openings E06B) - E04B 2/7409: {special measures for sound or thermal insulation, including fire protection} - E04B 2002/7488: {Details of wiring} - E04B: GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS (border constructions of opening in walls, floors or ceilings E06B1/00; {electromagnetic shielding H05K9/0001}) - E04D: ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS (coverings of outer walls by plaster or other porous material E04F13/00) - E04F: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B) ## Abstract Insulation devices, methods and related construction techniques are provided. An exemplary device may include a body having a plurality of openings defining an openwork, to allow the passage of air therethrough when placed in contact with insulation material. The device may further include a plurality of spacer struts and/or spacing depressions fixedly attached to the body. The struts may be configured to maintain a predetermined distance between a first side of the insulation material and a building surface. The body and struts act together to define and maintain a space between the first side of the insulation material and the building surface, for example, for ventilation. The building surface can be the bottom face of a roof, an insulated attic floor, wall sheathing or a soundproofed demising wall, for example. The spacer device can be capable of being transported and stored together with, or as a separate item from, the insulation material, and can also be stored in nested layers. The device can also be stored in rolled form. The openwork of the device can additionally or alternatively include a sheet of entangled net filaments or other similar material. ## Claims ### Claim 1 A method of controlling the passage of moisture into and out of a fibrous insulation batt disposed in a wall cavity between two adjacent studs or rafters comprising: disposing a breathable layer of material having a plurality of pores along at least a surface of the fibrous insulation batt that faces outwardly toward sheathing material attached to the two adjacent studs or rafters, wherein moisture present in the fibrous insulation batt passes through the plurality of pores of the breathable layer of material. ### Claim 2 (depends on 1) A method according to claim 1, further comprising defining an open ventilating air channel between the surface of the breathable material and the sheathing material for receiving moisture passing from the insulation batt through the pores. ### Claim 3 (depends on 1) A method according to claim 1, wherein the open ventilating air channel defines a first end near a soffit, and a second end near a ridge vent, wherein the moisture is removed from the air channel by flowing outwardly through the ridge vent, and further wherein two adjacent rafters define sides of the ventilation channel. ### Claim 4 (depends on 3) A method according to claim 3, further defining disposing shingles on a side of the sheathing opposite the ventilation channel. ### Claim 5 (depends on 1) A method according to claim 1, wherein the open ventilating air channel defines a first end near a sill plate, and a second end near a ridge vent, wherein the moisture is removed from the air channel by flowing outwardly through the ridge vent, and further wherein two adjacent rafters and two adjacent studs define sides of the ventilation channel.