High strength and moisture resistant adhesive suitable to be used as a moisture curing adhesive, said adhesive comprises: a) 25 to 75 % (wt) of one or more modified polyethers, wherein the one or more modified polyethers are silane modified polyethers; b) 10 to 60% (wt) of one or more filler material; c) 0.3 to 15% (wt) adhesion promotors said adhesion promotors are a combination of an epoxy functionalized alkoxy silane, an amino functionalized alkoxy silane and an amino functionalized siloxane; wherein said adhesive further comprises one or more compounds selected from the group consisting of a radical scavenger, a moisture scavenger, an anti-oxidant, a rheological modifier, and a catalyst; wherein said one or more filler material is Neuburg Siliceous Earth; and wherein high strength is defined as: 1) having a strength of more than ≥10 N/mm 2 after 7 days in a standard atmosphere; 2) having a strength of more than ≥4 N/mm 2 after 7 days in a standard atmosphere and 4 days in water at 20 ± 5 °C; 3) having a strength of more than ≥4 N/mm 2 after 7 days in a standard atmosphere 6 hours in boiling water and 2 hours in water at 20 ± 5 °C; wherein the present strength is determined in accordance with EN 204: Classification of thermoplastic wood adhesives for non-structural applications and EN205: Wood adhesives for non-structural applications or determination of tensile shear strength of lap joints. 4) having a strength of more than ≥ 5.5 N/mm 2 after 7 days in standard atmosphere 1 hour in a preheated fan oven, at 80 ± 2,0 °C for 60 ± 2 min wherein the present strength is determined in accordance with EN 14257: Determination of tensile strength of lap joints at elevated temperature (WATT 91) a) 25 to 75 % (wt) of one or more modified polyethers, wherein the one or more modified polyethers are silane modified polyethers; b) 10 to 60% (wt) of one or more filler material; c) 0.3 to 15% (wt) adhesion promotors said adhesion promotors are a combination of an epoxy functionalized alkoxy silane, an amino functionalized alkoxy silane and an amino functionalized siloxane; wherein said adhesive further comprises one or more compounds selected from the group consisting of a radical scavenger, a moisture scavenger, an anti-oxidant, a rheological modifier, and a catalyst; wherein said one or more filler material is Neuburg Siliceous Earth; and wherein high strength is defined as: 1) having a strength of more than ≥10 N/mm 2 after 7 days in a standard atmosphere; 2) having a strength of more than ≥4 N/mm 2 after 7 days in a standard atmosphere and 4 days in water at 20 ± 5 °C; 3) having a strength of more than ≥4 N/mm 2 after 7 days in a standard atmosphere 6 hours in boiling water and 2 hours in water at 20 ± 5 °C; wherein the present strength is determined in accordance with EN 204: Classification of thermoplastic wood adhesives for non-structural applications and EN205: Wood adhesives for non-structural applications or determination of tensile shear strength of lap joints. 4) having a strength of more than ≥ 5.5 N/mm 2 after 7 days in standard atmosphere 1 hour in a preheated fan oven, at 80 ± 2,0 °C for 60 ± 2 min 1) having a strength of more than ≥10 N/mm 2 after 7 days in a standard atmosphere; 2) having a strength of more than ≥4 N/mm 2 after 7 days in a standard atmosphere and 4 days in water at 20 ± 5 °C; 3) having a strength of more than ≥4 N/mm 2 after 7 days in a standard atmosphere 6 hours in boiling water and 2 hours in water at 20 ± 5 °C; wherein the present strength is determined in accordance with EN 204: Classification of thermoplastic wood adhesives for non-structural applications and EN205: Wood adhesives for non-structural applications or determination of tensile shear strength of lap joints. 4) having a strength of more than ≥ 5.5 N/mm 2 after 7 days in standard atmosphere 1 hour in a preheated fan oven, at 80 ± 2,0 °C for 60 ± 2 min wherein the present strength is determined in accordance with EN 14257: Determination of tensile strength of lap joints at elevated temperature (WATT 91)